Showing posts with label questions. Show all posts
Showing posts with label questions. Show all posts

Monday, February 27, 2017

Computer Basis MCQ Questions and Answers set 9

Computer Basis MCQ Questions and Answers set 9



1) In the third generation of computer ..

A. Distributed data processing first became popular

B. On operating system was first developed

C. High level procedural language were first used

D. On-line, real time system first became popular


2) A communication protocol that converts noisy data links into communication channels free of transmission errors is known as ...

A. Data link protocol

B. Data link

C. Data medium

D. Data model


3) What is required when more than one person uses a central computer at the same time?

A. Light pen

B. Mouse

C. Digitizer

D. Terminal


4) A digital computer did not score over an analog computer in terms of ....

A. Speed

B. Accuracy

C. Cost

D. Memory


5) The storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of ......

A. Cylinder

B. Hub

C. Cluster

D. Surface


6) Which type of computers uses the 8-bit code called EBCDIC?

A. Minicomputer

B. Microcomputer

C. Mainframe computers

D. Super computer


7) The two basic types of record access method are ...

A. Sequential and random

B. Sequential and indexed

C. Direct and immediate

D. On-line and real time


8) The disk drive component used to position read/write heads over a specific track is known as ...

A. Acoustic couples

B. Access arm

C. Cluster

D. All of the above

9) Computer instructions written with the use of English words instead of binary machine code is called ..

A. Mnemonics

B. Symbolic code

C. Gray codes

D. Opcode


10) Which American computer company is called big blue?

A. Microsoft

B. Compaq Corporation

C. IBM

D. Apple


11) Which number system is commonly used as a shortcut notation for groups of four binary digits.

A. Binary

B. Decimal

C. Octal

D. Hexadecimal


12) Before a disk can be used to store data it must be ...

A. Formatted

B. Reformatted

C. Addressed

D. None of the above


13) Who invented the Microprocessor?

A. Marican E. Huff

B. Herman H Goldstein

C. Joseph Jacquard

D. All of the above


14) Sending data from one place to another. By physical or electronic means is ....

A. E-mail

B. Internet

C. Data transmission

D. Distributed processing


15) Multi user systems provided cost saving for small business because they use a single processing unit to link several ...

A. Personal computers

B. Workstations

C. Dumb terminals

D. Mainframes


16) Which is the part that transmits data from one part of the computer to another?

A. Bus

B. CPU

C. Hard Disk

D. None of the above


17) A software package to perform calculations on data arranged in an array is ....

A. System Software

B. Utility programs

C. Electronic spreadsheet

D. Application programs


18) Which part of the computer is used for calculating and comparing?

A. Disk unit

B. Control unit

C. ALU

D. Modem


19) Plotter accuracy is measured in terms of repeatability and ..

A. Buffer size

B. Resolution

C. Vertical dimension

D. Intelligence


20) Which computer memory is used for storing program and data currently being processed by the CPU?

A. Mass memory

B. Internal memory

C. Non-volatile memory

D. PROM

Answers:


1) D. On-line, real time system first became popular
2) A. Data link protocol
3) D. Terminal
4) C. Cost
5) D. Surface
6) C. Mainframe computers
7) A. Sequential and random
8) B. Access arm
9) B. Symbolic code
10) B. Compaq Corporation
11) D. Hexadecimal
12) A. Formatted 
13) A. Marican E. Huff
14) C. Data transmission
15) C. Dumb terminals
16) A. Bus
17) C. Electronic spreadsheet
18) B. Control unit
19) B. Resolution
20) B. Internal memory

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    Saturday, December 3, 2016

    Computer Fundamental Questions and Answers set 10

    Computer Fundamental Questions and Answers set 10



    1) The computer memory holds data and .....

    A. Bytes

    B. Program

    C. Registers

    D. Bits


    2) A file that has been transferred to a lower level in the memory hierarchy is known as ....

    A. Random File

    B. Archive File

    C. Serial File

    D. Sequential File


    3) The computer that process both analog and digital is called ..

    A. Mainframe Computer

    B. Hybrid Computer

    C. Analog Computer

    D. Digital Computer


    4) The binary number 1000 is equivalent to decimal number ..

    A. One thousand

    B. Eight

    C. One

    D. Sixteen


    5) A general purpose single use microcomputer designed to be operated by one person at time is ...

    A. Special Purpose computer

    B. KIPS

    C. AI

    D. PC


    6) ASCII Stand for

    A. American Standard Code for Information Interchange

    B. American Stable Code for International Interchange

    C. American Standard Case for International Interchange

    D. American Standard Code for Interchange Information


    7) The checking operation performed in input data is called the ...

    A. Validation of data

    B. Verification of data

    C. Cross check

    D. Control data


    8) Most important advantage of an IC is its ..

    A. Easy replacement in case of circuit failure

    B. Extremely high reliability

    C. Reduced Cost

    D. Low power consumption


    9) Software in computer ....

    A. Enhanced the capabilities of the hardware machine

    B. Increase the speed of central processing unit

    C. Both of the above

    D. None of the above


    10) The larger RAM of computer, the fastest processing speed is, since it eliminates ..

    A. Need for external memory

    B. Need of ROM

    C. Frequent disk I/Os

    D. Need for wider data path



    11) The earlier device the qualifies as a digital computer is ...

    A. EDSAC

    B. Abacus

    C. ENIAC

    D. EDVAC


    12) Latency time is ...

    A. Time to spin the needed data under head

    B. Time to spin the needed data under track

    C. Time to spin the needed data under sector

    D. All of the above


    13) Which of the following printer can be classified as a page at a time printer?

    A. Laser Printer

    B. Dot matrix printer

    C. Thermal Printer

    D. Ink-jet printer


    14) What are the units used to count the speed of a printer?

    A. CPM

    B. DPI

    C. PPM

    D. BIT



    15) Who is the founder of Oracle Corporation?

    A. Bill Gates

    B. Laris Ellison

    C. Andrew S Grove

    D. Marc Andreson


    16) Plotter prints ...

    A. with ballpoint pens

    B. with ink pens

    C. electristatically

    D. All of the above


    17) Which of the following organizations looks at standards for representation of data on the Internet?

    A. ISOC

    B. W3C

    C. IEEE

    D. IETE


    18) Who is the founder of BSD Unix?

    A. Bill Gates

    B. Dennis Ritche

    C. Bill Joy

    D. Linux Torvalds


    19) Which of the following topologies is highly reliable?

    A. Star

    B. Bus

    C. Fully connected mesh

    D. All of the above


    20) People typically interface with a computer based system when ...

    A. Information must be output

    B. Data must be input

    C. Information must be reviewed

    D. All of the above


    Answers:

    1) B. Program
    2) B. Archive File
    3) B. Hybrid Computer
    4) B. Eight
    5) D. PC
    6) A. American Standard Code for Information Interchange
    7) A. Validation of data
    8) B. Extremely high reliability
    9) A. Enhanced the capabilities of the hardware machine
    10) C. Frequent disk I/Os
    11) B. Abacus
    12) A. Time to spin the needed data under head
    13) A. Laser Printer
    14) C. PPM
    15) B. Laris Ellison
    16) D. All of the above
    17) B. W3C
    18) C. Bill Joy
    19) C. Fully connected mesh
    20) A. Information must be output


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