Computer G.K with Answer Key

Q.      where are programs and data to be used by the computer available?

           4     Storage                

Q.      A parallel port is most often used by a -

         3       Printer

Q.      Computer follows a simple principle called GIGO which means:

         1       Garbage in garbage out    

Q.     Arrange the following devices in ascending order of the speed: A. RAM B. Hard disk C. Cache D. Floppy

         3       DBAC          

Q.      What is the commonly used unit for measuring the sped of data transmission?

         1       Bits per second

Q.      Which one among the following is not included in the basic functions of operating system?

         1 Job Control                

Q.      'Blue tooth' technology allows -

         3 Wireless communications between equipment’s                   

Q.      Which of the following statements about the Crime and Criminal Tracking Network System (CCTNS) is/are correct?

1. It will facilitate real time access of classified criminal data to the law enforcement authorities.

2. National Crime Record Bureau is the nodal agency mandated to implement the network in all the states.

Select the correct answer using the code given below-

         1 .1 only                       

Q.      One byte consists of

         4 eight bits

Q.      The operating system called UNIX is typically used for -

         1Desktop computers 2Laptop computers 3Supercomputers 4All of these

                  Ans: 4

Q.      There are several primary categories of procedures. Which of the following is not a primary category of procedures?

         3       Firewall development

Q.      All of the logic and mathematical calculations done by the computer happen in/on the -

         1       Central processing unit

Q.      The connection between your computer at home and your local ISP is called -

         3       The home page

Q.     When speaking of computer input and output, input refers to -

         4       Both (C) and (D) above.                

Q.      Computer software can be defined as--

                  2       the instructions that tell the computer what to do

                  Ans: 2

Q.      Which of the following is not a type of computer software which can be thought?

         4       Off-the-shelf with alterations

Q.     .....are attempts by individuals to obtain confidential information from you by falsifying their identity.       

         4       Phishing Scams

Q.     The main job of CPU is to -

         4       Both (A) and (C)                         

Q.      Which of the following is an example of an optical disk?

         4       Digital versatile disks

Q.     Which of the following is an example of storage devices?

         1       Magnetic disks

         2       Tapes

         3       DVDs

         4       All of these

                  Ans: 4

Q.      A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a -

         1       Hacker

                  Ans: 1

Q.      A popular way to learn about computers without ever going to a classroom is called -       

         3       e-learning

         Ans: 3

Q.      Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information -

                  2       Hard disk

                  Ans: 2

Q.      A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using -

         3       Scanning automation

                           Ans: 3

Q.      Main memory works in conjunction with -

         3       CPU

                  Ans: 3

Q.      The collection of links throughout the Internet creates an interconnected network called the -

         1       WWW

         2       Web

         3       World Wide Web

         4       All of the above

                  Ans: 4

Q.      Cache and main memory will lose their contents when the power is off. They are--

         3       Volatile

                  Ans: 3

Q.      Vendor-created program modifications are called--

                  2       Fixes

                  Ans: 2

Q.      The.... controls a client computer's resources.

         4       Server application

                  Ans: 4

Q.      The process of transferring files from a computer on the Internet to your computer is called--

         1       Downloading

                  Ans: 1

Q.      Which media have the ability to have data/information stored (written) on them by users more than once?

                  2       CD-RW disks

                  Ans: 2

Q.      What are the four things needed to connect to the Internet?

         1       Telephone line, modem, computer, and an ISP

                  Ans: 1

Q.      What is e-commerce?

         1       Buying and selling products and services over the Internet

         Ans: 1

Q.      Storage and memory differ with respect to which of the following characteristics?

         1       Reliability

         2       Speed

         3       Price

         4       All of these

                  Ans: 4

Q.      The ---- is the term used to describe the window that is currently being used.

         3       Active Window

                           Ans: 3

Q.      1024 bytes equals:

         1       1 KB

                  Ans: 1

Q.      The term 'PC-XT' refers to

         2       Personal Computer Extended Technology

                  Ans: 2

Q.      Most networks employ devices for routing services. Routers work at which of the Following OSI Layers?

         2       Network

         Ans: 2

Q.      Which of the following will help you to improve your LAN security?

         3       Use a proxy

                  Ans: 3

Q.      Which of the following devices discriminates between multicast and unicast packets?

         4       Mulicast Router

                  Ans: 4

Q.      Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number?

         2       Packet Filtering Firewall

         Ans: 2

Q.      Which of the following systems run an application layer firewall using proxy software?

                  4       Proxy server    Q. A packet filtering firewall operates at which of the following OSI layer?

         1       At the Application layer

         2       At the Transport Layer

         3       At the Network Layer

         4       Both 2 and 3

                  Ans: 4

Q.      Which of the following are true about firewalls?

         1       Filters network traffic

         2       Can be either a hardware or software device

         3       Follows a set of rules

         4       All the above

                  Ans: 4

Q.      What are some of the benefits of using a firewall for your LAN?

         1       Increased access to Instant Messaging

         2       Stricter access control to critical resources

         3       Greater security to your LAN

         4       Both 2 and 3

                  Ans: 4

Q.      Your company receives internet access through a network or a gateway server. Which of the following devices is best suited to protect resources and subnet your LAN directly on the network server?

         1       DSL modem

         2       A multi-homed firewall

         3       VLAN

         4       A brouter that acts both as a bridge and a router

                  Ans: 2

Q.      Which of the following devices is specially designed to forward packets to specific ports based on the packet's address?

                  2       Switching hub

Q.      After booting process which file executes automatically       

         3       autoexec.bat

 Q.     A System in which a transaction access and updates a file quickly enough to affect the original decision making is called

         1       Real time system

Q.      In time sharing system, the user carried a conversation with the central system called

         3       Both of above

Q.      The principle of time sharing is

         1       large numbers of users direct access to the computer for problem

                  Ans: 1

Q.      Allocation of a resources in a time dependent fashion to several program simultaneously called  

      3       time sharing

Q.      Batch processing is also known as

         1       serial

         2       sequential

         3       off line processing

         4       all of above

                  Ans: 4

Q.      Operating System for Microcomputer system is-

         1       Unix

                  Ans: 1

Q.      Data are accumulated and processed in group called

         1       Batch Processing

                           Ans: 1

Q.      Unix Operating System use _________ Multitasking

         1       Preemptive

Q.      Macintosh computer use_____ Multitasking

                  2       cooperative

                  Ans: 2

Q.      Preemptive and cooperative both are type of

                  2       Multitasking

Q.      Multiprocessing supports more then one_____ at the same time

         1       Process

Q.      Which one allow two or more users to run programs at the same time

         1       Multiuser

Q.      DMA stands for ________

         1       Direct Memory Access

Q.      Which of the following is a read only memory storage device.

         3       CDROM

Q.      _________ is a semi conductor memory.

         1       Dynamic

         2       Static

         3       Bubble

         4       Both a & b

                  Ans: 4

Q.      Separate Read/Write heads are required in which of these memory access schemes.

         1       Random Access

         2       Sequential Access

         3       Direct Access

         4       None of these

                  Ans: 4

Q.      Which of the following are the best units of data on an external storage device?

                  2       Bytes

                  Ans: 2

Q.      In a Computer_________ is capable to store single binary bit.

                  2       Flip Flop

                  Ans: 2

Q.      Which of the following commands displays names of files in sorted order?

         3       DIR/AN

                  Ans: 3

Q.      VIRUS stands for

                  2       Virtual Information Resource Under Resize

                  Ans: 2

Q.      FAT stands for

         2       File Access Tape

                  Ans: 3

Q.      Which command can be used to recreate the disk's tracks and sectors?

                  2       FORMAT

Q.      What is the switch that is used to make sure that the COPY command copied files correctly

         4       /V

Q.      Which switch should be used in the DIR command to view files in all directories ?

         3       /S

Q.      Which among the following are the best tools for Fixing errors on disks?

                  2       SCANDISK       

Q.      Which type of commands in DOS needs additional files for their execution?

         2       External Commands

Q.      What is the name of the batch file that is automatically run when MSDOS is booted ?

         4       AUTORUN.BAT

Q.      Which file in MS-DOS contains internal commands that are loaded during Booting process?

         4       CONFIG.SYS

Q.      Which was the last version of MS-DOS that was released separately?

         4       6.22

Q.      Who was the programmer of Ms-Dos operating system

                  2       Bill Gates       

Q.      The Operating System Manages

         1       Memeory

         2       Processes

         3       Disks and I/O devices

         4       All of the above

                  Ans: 4

Q.      Page stealing

                  2       Is taking page frames from other working sets       

Q.     Which of the following Operating Systems do you choose to implement a client Server Network       

         4       Windows 2003

Q.     Poor response times are usually caused by       

         4       Any of the above

Q.     When a computer is first turned on or restarted, a special type of absolute loader called____ is executed       

         3       Bootstrap loader

Q.      Which of the following Operatings does not implement multitaskings truly

         4       MS DOS

Q.     _________ is the first program run on a computer when computer boots up       

         2       Operating Software

Q.      _____ transforms one interface into another interface

         1       Program

         2       Software

         3       Data

         4       None

                  Ans: 2

Q.      The primary purpose of an operating system is....

         1       To make the most efficient use of the computer hardware

                  Ans: 1

Q.      ............ runs on computer hardware and serve as platform for other software's to run on

         1       Operating System

Q.      Integrated circuits contained

         1       10 to 20 components

Q.      How many vaccum tubes was used in first analytical engine-

         1       10000

Q.      EDVAC is

         2       Electronic Discrete Variable Automatic Computer

Q.     ENIAC was the computer of-

         1       Storage program concept       

Q.      IC chips was used in-

         3       Third Generation

Q.      VLIC (Very Large Integration Circuit) technology was used in which generation ?

         4       Fourth generation

Q.     Which electronic component was use in first generation?

         1       Vacuum tubes

Q.      A source program is-       

         2       a program to be translated into machine language

Q.     Assembly Language-

         1       uses alphabetic codes in place of binary numbers used in machine

Q.      Machine Language-

         1       is the language in which programs were first written

         2       is the only language understood by the computer

         3       Differs from one type of computer to another

         4       All of these

                  Ans: 4

Q.      Computer software includes___

         1       Application programs

         2       Operating system programs

         3       Packaged programs

         4       All of these

                  Ans: 4

Q.      Which of the following companies is a leader in manufacture of Hard Disk Drives?       

         4       Segate

Q.      Floppy Disk Drives were originally designed by-

                  2       Sony       

Q.      Floppy Disk Drives were first introduced by which of the following computer manufacturers ?

         1       IBM       

Q.      Computers built before the first Generation of computers were

                  2       Electro-mechanical

Q.      Punched cards were first introduced by-

         4       Herman Hollerith

Q.     The man who built the first Mechanical Calculator was-

         3       Blaise Pascal       

Q.      The Analytical Engine developed during First Generation of computers used_________ as a memory unit

         4       Counter Wheels

Q.      The earliest calculating devices are-

         1       Abacus       

Q.      When you purchase a product over a Mobile Phone, the transaction is called-

         3       m-Commerce

Q.      Which of the following cables can transmit data at high speeds-

         2       Optic fibre Cable

Q.      What is the other name for LAN Card ?

         1       NIC

Q.      Which of the following is not a logic gate ?

         4       NAT

Q.     What is the address given to a computer connected to a network called?       

         4       IP Address

Q.     Which of the following organisations looks at standard for representation of data on the internet ?

                  2       W3C

Q.      The basic operations performed by a computers are-

         1       Arithmetic Operation

         2       Logical Opertaion

         3       Storage and Relative

         4       All the above

                  Ans: 4

Q.      What is the name of the software that allows us to browse through web pages called ?

         1       Browser       

Q.      Who is the founder of Oracle Corporation ?

                  2       Lawrence J. Ellison

Q.      Programs are execuated on the basis of a priority number in a-

         2       Multiprogramming

Q.      What is the name of the latest Server Operating System developed by Microsoft?

         2       Windows 2008

Q.     Time taken to move from one cylinder of a HDD to another is called

                  2       Average seek time       

Q.      Which of the memories below is often used in a typical computer operation?

         1       RAM

Q.      Usually, in MSDOS, the primary hard disk drives has the drive letter_______

         3       C

Q.      When a key is pressed on the keyboard,which standard is used for converting the keystroke into the corresponding bits

         1       ANSI

Q.      Word length if a personal computer ia _________

         1       4 bits

Q.      Which number system is usually followed in a typical 32-bit computer ?

         1       2

Q.      The memory location address are limited to---

         1       00000 to 9ffff(16)

Q.      Which of the following is the largest manufacture of Hard Disk Drives ?

                  2       Segate

Q.      Which technology is used in Compact disks ?

         4       Laser

Q.     Which of the following devices have a limitation that we can only information to it but cannot erase it--

         4       CDROM

Q.      EPROM can be used for ---

         3       Erasing and reconstructing the contents of ROM       

Q.      Primary memory stores ---

         1       Data alone

         2       Programs alone

         3       Results alone

         4       All of these

                  Ans: 4

Q.      Memory is made up of --

         1       Set of wires

         2       Set of circuits

         3       Large number of cells

         4       All of these

                  Ans: 4

Q.      Which of the following is not a valid size of a FLOPPY DISK?

                  2       5 1/4"

Q.      Which of the following is not a valid capacity of a floppy disk ?

         3       1.24MB

Q.      Which of the following device can store large amounts of data?

                  2       Hard Disk

Q.      Algorithm and Flow chart help us to---

         4       Specify the problem completely and clearly

                  Ans: 4

Q.      MDR(Memory Data Register) holds the ---

         3       Number of transistors

Q.      Size of the primary memory of a PC ranges between ---

         3       256KB and 640KB

Q.      Which of the following RAM times have to be refreshed often in order to retain its contents ?

                  2       DIMM

Q.      Which of the following statements is/are true ?

                  2       Cache Memories are smaller than RAM

Q.      Which storage device is mounted on 'reels'?

         3       Magnetic Tapes

Q.      How many write cycles are allowed to a EEPROM ?

         4       1000

Q.      How many write cycles are allowed to a RAM?

         1       1

         2       10

         3       100

         4       1000

                  Ans: 1

Q.      Which device is used as the standard pointing device in a Graphical User Environment

                  2       Mouse       

Q.      In a high resolution mode, the number of dots in a line will usually be ----

                  2       640

Q.      A pixel is --------

         1

         3       The smallest resolvable part of a picture

Q.      Direct X is a ______

                  2       Software that drives Graphic hardware       

Q.      Which of the following is not an output device ?

         1       Scanner

Q.      Cursor is a___________

         3       Pointing device

Q.      Which of the following is a term related with scanners?

                  2       TWAIN

Q.      What are the units used to count the speed of a printer?

         4       BIT

Q.     SCSI is term related with ----

         1       Storage       

Q.      Who among the following is a Personal Computer manufacture from Taiwan ----

         4       Acer

Q.      Nortel is a company into manufactures ---       

         4       Network equipment

Q.     Which computer peripheral manufacturer quotes - Empowering your PC -----       

         3       Mercury

Q.      What is the name of the 64-bit Microprocessor developed by AMD?

         1       Opteron

Q.      Who is the founder of BSD Unix ?

                  2       Dennis Ritche

Q.      Which company did SCO sue for using code UNIX in its Operating System ?

         4       Microsoft

Q.      What is the name of the series of Laptop computers manufactured by IBM called?

                  2       Thinkpad       

Q.      The programs which are as permanent as hardware and stored in ROM is known as

                  2       Software

Q.      Macromedia is a name of a company related with ----

                  2       Software

Q.      CPU speed of a personal computer is-

                  2       100 KIPS       

Q.      IC are classified on the basis of____

         3       Number of Transistors

Q.      The unit of KIPS is used to measure the speed of________

         1       Processor

Q.      Programs stored in ROM are called-

                  2       Firmware

Q.      MTBF means

         1       Mean Time Before Failure

Q.      MOS stands for

                  2       Most Often Store

Q.      Which technology is used in a CDROM Drive ?

         3       Optical

Q.      A compiler is_____________

         3       a program which translates from one high level language to a

Q.      ..... is the process finding errors in software code.

         4       Debugging

                  Ans: 4

Q.      If a memory chip is volatile, it will-

         2       Lose its Contents if current is turned off

Q.      The general term 'peripheral equipment' is used for -

         1       any device that is attached to a computer system

Q.      ..... is a set of Keywords, s symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer...

                  2       A Programming Language

Q.      A ...... contains specific rules and words that express the logical steps of an algorithm.

         3       Syntax

Q.      Codes consisting or Bars or lines of varying widths or lengths that are computer-readable are known as-

         1       A bar code

Q.      Which of the following is the storage area whit in the computer itself which Holds data only Temporarily as the computer processes instructions?

         4       Read Only Memory

Q.      A collection of interrelated records is called a-       

         3       Database

Q.      Every Component of your computer is either -

                  2       Input Devices and Output Devices

Q.      Data that is copied from an application is stored in the-

                  2       Clipboard

Q.      Which of the following is not an output device?

         4       Touch Screen

Q.     Which of the following Devices have a limitation that we can only read it but can not erase and modify it?       

         4       Floppy Disk

Q.     Which device can understand difference between Data and programs?       

         4       Microprocessor

Q.      Multiprogramming Systems......

         3       Execute more jobs in the same time period

Q.      The simultaneous execution of two or more instructions is called-

         3       Multiprocessing

Q.      Which Device as used as the standard Pointing Device in a Graphical User Environment?

                  2       Mouse

Q.      ...... is a procedure that requires users to enter an identification code and a matching password.

                  2       Logging on

Q.      An example of Telecommunication device is a -

         4       Modem

Q.      A character of information is represented by a(n)-

         1       Byte       

Q.      The Process of writing out computer instructions is known as-

         1       Assembling

Q.      Memory Unit is one part of-

         2       Central Processing Unit

Q.      The Central Processing unit contains which of the following as a Component?

         3       Arithmetic Logic Unit

Q.      Data (information) is stored in computers as-

         1       Files

Q.      Which of he following menu types is also called a drop-down menu?       

         4       Pull-Down

Q.      A modem-       

         4       None of these

Q.      Personal Computers can be connected together to form a -       

         3       Network

Q.      Which type of file is created by Word Processing Programs?

         4       Document File

Q.      Ctrl,shift and alt are called...... keys.       

         4       None of these

Q.      What are .bas, .doc, and .html examples of ?

         1       Extensions       

Q.      What characteristics of Read Only memory ROM, makes it useful?

         3       Data in ROM is Nonvolatile, that is , it remains there even without electrical power

Q.      To access a mainframe or supercomputer ,users often use a-

         1       Terminal

Q.      The.... of software contains list lists of commands and options.

         1       Menu bar

Q.      Numbers in table columns are usually-

                  2       Left-aligned

Q.      A ..... contains buttons and menus that provide quick access to commonly used commands.

                  2       Toolbar

Q.      The.... tells the computer how to use its components.

         3       Operating System

Q.      What disk is used to cold boot a PC?

                  2       System disk

Q.     The..... manual tells you how to use a software program.

         1       Documentation

Q.      A word in a web page that, when clicked, opens another document-

         3       Hyperlink

Q.      The first page of a Web site is called the.......

         1       Homepage

Q.      A CD-RW disk-

         4       Can be erased and rewritten

Q.      Compiling creates a(n)-

         3       Executable Program

Q.      Which of the following is a popular Programming Language for developing multimedia Web pages, Websites and web-Based applications?

                  2       JAVA

Q.      In Excel,..... contains one or more worksheets.

                  2       Workbook

Q.      The Method of file organization in which data records in a file are arranged in a specified order according to a key field is known as the-

         4       Sequential method

Q.      A tuple is 1 -

         3       Row of a Table

Q.      The Software that allows users to surf the Internet is called a/an-

         1       Search Engine

Q.      If a new device is attached to a computer, such as a printer or scanner, its....... must be installed before the device can be used.

         1       Buffer

         2       Driver

         3       Pager

Q.      OCR stands for-

         1       Optical Character Recognition

Q.      A vision statement is .....

         4       a long term inspiration

Q.      Non-product selling means .....

         4       selling services

Q.      Marketing is a function undertaken by ......

         1       All DSA's

         2       All front-office staff

         3       Whole organization

         4       All of these

                  Ans: 4

Q.      In Excel, Charts are created using which option?

         1       Chart Wizard       

Q.      You can start Microsoft Word by using ..... button.

         3       Program

Q.      Bank marketing is same as ......

                  2       Service marketing

Q.      "Conversion" in sales language means ......

         3       converting a prospect into a client

Q.      "Referrals" means......

         1       Leads provided by operation

Q.      Marketing of services is known as .....

         3       Relationship marketing

Q.      With a CD you can .....

         3       Read and Write

Q.      For creating a document, you use ..... command at File Menu.

         3       New

Q.      When you save to this, your data will remain intact even when the computer is turned off .....

         3       secondary storage device

Q.     When you turn on the computer, the boot routine will perform this test .....

                  2       disk drive test

Q.      What type of device is a computer printer?

         4       memory

Q.      The simultaneous processing of two or more programs by multiple processors is .....       

         4       multiprocessing

Q.      E-mail addresses separate the user name from the ISP using the .... symbol.

                  2       @

Q.      In MICR, C stands for .....

         4       Character

Q.      All the deleted files go to .....

         1       Recycle Bin

Q.      Various applications and documents are represented on the Windows desktop by .....

                  4       Icons

Q.     What is the permanent memory built into your computer called?

                  2       ROM

Q.      The pattern of printed lines on most products are called ....

         4       barcodes

Q.      Which key is used in combination with another key to perform a specific task?       

         4       control

 Q.     Physical components that make up your computer are known as .....

         3       Hardware

Q.      Computers use the .... number system to store data and perform calculations.

         1       binary

Q.      To move to the beginning of a line of text, press the ... key.

         3       home

Q.      A _________ is an electronic device that processes data, converting it into information

         2       Processor

Q.      _____ is processed by the computer into information

                  2       Data

Q.      What is the default file extension for all Word documents?

         3       doc

Q.      Back up of the data files will help to prevent -

         4       loss of data