Sunday, 6 December 2020

General Computer Test - 22

 

1. Which of the following tasks is not suited for sequential processing by a computer?

(a)    Preparing of mailing labels

(b)    Processing payroll cheques

(c)     Accounting for credit card purchases

(d)    Inventory control

(e)    None of these

Ans : (d)

2. The most expensive component in a computer system is its

(a)    hardware

(b)    peripherals

(c)     software

(d)    All of these

(e)    None of these

Ans : (e)

3. What is the name of the meftiory card which is conceptually related to the smart card but is similar to the video disk?

(a)    Laser card

(b)    Master card

(c)     Visa

(d)    Optical card

(e)    None of these

Ans : (a)

4. The time taken for the read/write head to move to the correct track on the magnetic disk is called

(a)    epoch delay

(b)    latency delay

(c)     seek time

(d)    approach time

(e)    None of these

Ans : (c)

5. A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?

(a)    Microfilm

(b)    Microfiche

(c)     Film card

(d)    COM

(e)    None of these

6. 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)    Inkjet printer

(e)    None of these

Ans : (a)

7. What is the function of the ‘home key1in a microcomputer qwerty keyboard?

(a)    To capitalize letters

(b)    To reposition the cursor

(c)     To interrupt executions

(d)    To cancel the entry

(e)    None of these

Ans : (b)

8. Most of the errors blamed on computers are actually due to

(a)    programming errors

(b)    hardware fatigue

(c)     defects in floppy disks

(d)    data entry errors

(e)    None of these

Ans : (d)

9. File specification books are created primarily for the use of

(a)    systems analysts

(b)    programmers

(c)     operators

(d)    managers

(e)    None of these

Ans : (b)

10. The storage within the addressing scheme of the computer but exceeding the physical capacity is called

(a)    address space

(b)    overlay storage

(c)     secondary storage

(d)    scratchpad memory

(e)    None of these

Ans : (a)

11. Plotters print

(a)    with ball point pens

(b)    with ink pens

(c)     electrostatically

(d)    All of these

(e)    None of these

Ans : (d)

12. Which generation of  computers used transistors?

(a)    First generation

(b)    Second generation

(c)     Fourth generation

(d)    All of these

(e)    None of these

Ans : (b)

13. In digital data transmission

(a)    baud rate is equal to bit rate

(b)    baud rate is always smaller than the bit are

(c)     baud rate is always higher than the bit rate

(d)    baud rate is not constant

(e)    None of these

Ans : (e)

14. Information retrieval is fastest from

(a)    floppy disk

(b)    magnetic tape

(c)     hard disc

(d)    All of these

(e)    None of these

Ans : (c)

15. The process of entering data into a storage location

(a)    adds to the contents of the location

(b)    cause variation in its address number

(c)     is known as a readout operation

(d)    is destructive of previous contents

(e)    None of these

Ans : (b)

16. Which of the following topologies is highly reliables?

(a)    Star

(b)    bus

(c)     Fully connected mesh

(d)    All of these

(e)    None of these

Ans : (c)

17. Which of the following topologies is not broadcast type?

(a)    Star

(b)    bus

(c)     Ring

(d)    Tree

(e)    None of these

Ans : (c)

18. A magnetic tape volume that is used on a data processing operation without any change to its contents is

(a)    magnetic disk

(b)    punched paper tape

(c)     master tape

(d)    card reader

(e)    None of these

Ans : (c)

19. A device that both transmits and receives data, is

(a)    transducer

(b)    trapdoor

(c)     translator

(d)    transceiver

(e)    None of these

Ans : (d)

20. Which of the following is an abbreviation for a hardware programming language?

(a)    AHPL

(b)    AFL

(c)     ACM

(d)    APL

(e)    None of these

Ans : (a)

21. Which of the following is a mechanism for separating continuous fan folded paper used in fine printers?

(a)    Buffering

(b)    Burster

(c)     Bug

(d)    Card reader

(e)    None of these

Ans : (b)

22. A group of signal lines used to transmit data in parallel from one element of a computer to another is

(a)    control bus

(b)    address bus

(c)     databus

(d)    network

(e)    None of these

Ans : (c)

23. Allocator and manager of memory in an operating system is

(a)    keyboard

(b)    key punch

(c)     kernel

(d)    kludge

(e)    None of these

Ans : (c)

24. A used defined block of pixels that can be placed anywhere on the screen is

(a)    sprite

(b)    stack

(c)     spooling

(d)    station

(e)    None of these

Ans : (a)

25. In acquiring new mainframe hardware, an organization

(a)    may choose to rent a machine since this is the least expensive acquisition method

(b)    may buy the equipment to reduce the risk of technological obsolescence

(c)     may lease a machine in order to avoid a large purchase price

(d)    may choose to build its own system from bins of integrated circuits

(e)    None of these

Ans : (c)

Saturday, 5 December 2020

General Computer Test - 21

1. Properly arranged data is called

(a)    field

(b)    words

(c)     information

(d)    file

(e)    None of these

Ans : (c)

2. Which of the following is a list-processing high-level language?

(a)    APL

(b)    LISP

(c)     PROLOG

(d)    ADA

(e)    None of these

Ans : (b)

3. The use of a computer to get information from a data bank is known as

(a)    Information withdrawal

(b)    Computer simulation

(c)     information retrieval

(d)    fall-tent searching

(e)    None of these

Ans : (c)

4. Which of the following is a storage medium to copy stored data onto another?

(a)    Drum

(b)    Dump

(c)     Critical path

(d)    Cybernetics

(e)    None of these

Ans : (b)

5. Another word for a daisy when printer is

(a)    petal printer

(b)    golf-ball printer

(c)     lesser printer

(d)    line printer

(e)    None of these

Ans : (a)

6. The collection of utility programs, subroutines or application programs used on a particular computer is

(a)    package

(b)    system software

(c)     application programs

(d)    program library

(e)    None of these

Ans : (d)

7. All the instructions and procedures needed to start Up a computer, to the point it can load an operating system are stored in ROM chips. In IBM compatible PCs this is called the

(a)    RAM BIOS

(b)    ROM BIOS

(c)     EPROM

(d)    POST

(e)    None of these

Ans : (b)

8. In serial, asynchronous transmissions, the bit is used to signal the end of the character within the data frame.

(a)    Start

(b)    Stop

(c)     Parity

(d)    Data

(e)    None of these

Ans : (b)

9. The term MIPS refers to

(a)    millions of instructions per second

(b)    multiple instructions per second

(c)     megabytes of instructions per second

(d)    millions input processor set

(e)    None of these

Ans : (a)

10. Which of the following best describes the term data processing?

(a)    The collection of information or data

(b)    The distribution of information or data

(c)     The manipulation of information or data

(d)    The storage of information or data

(e)    None of these

Ans : (c)

11. The original ASCII code used./. bits of each byte, reserving that last bit for error checking.

(a)    5

(b)    6

(c)     7

(d)    8

(e)    None of these

Ans : (c)

12. Communication ports are found on the back of microcomputers. They are used to connect the computer to

(a)    printers      

(b)    modems

(c)     other hardwar

(d)    All of these

(e)    None of these

Ans : (d)

13. What is a portion of memory that serves as a temporary repository for data as it waits for a given action?

(a)    (a)Memory Pool

(b)    Cache

(c)     Processor

(d)    Processor pool

(e)    None of these

Ans : (b)

14. What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors?

(a)    Tracking

(b)    Formatting

(c)     Copying

(d)    Sectioning

(e)    None of these

Ans : (b)

15. A six-digit card field used for postal ZIP codes is defined as

(a)    a letter field

(b)    an alphabetic field

(c)     a numeric field

(d)    an alphanumeric field

(e)    None of these

Ans : (c)

16. What are the three decision-making operations performed by the ALU of a computer?

(a)    Greater than

(b)    Less than

(c)     Equal to

(d)    All of these

(e)    None of these

Ans : (d)

17. Which part of the computer is used for calculating and comparing?

(a)    Disk unit

(b)    Control unit

(c)     ALU             

(d)    Modem

(e)    None of these

Ans : (c)

18. Can you tell what passes into and out from the computer via its ports?

(a)    Data            

(b)    Bytes

(c)     Graphics

(d)    Pictures

(e)    None of these

Ans : (b)

19. Which type of computers use the 8 bit code called EBCDIC?

(a)    Minicomputers

(b)    Microcomputers

(c)     Mainframe computers

(d)    Supercomputers

(e)    None of these

Ans : (c)

20. Whereas a computer mouse moves over the table surface, the trackball is

(a)    stationary

(b)    difficult to move

(c)     dragged

(d)    moved in small steps

(e)    None of these

Ans : (a)

21. Which one of the following input device is user-programmable?

(a)    Dumb terminal

(b)    Smart terminal

(c)     VDT

(d)    Intelligent terminal

(e)    None of these

Ans : (d)

22. The computer-memory holds data and

(a)    bytes

(b)    program

(c)     registers

(d)    bits

(e)    None of these

Ans : (b)

23. The checking operation performed on input data is called the

(a)    validation of data

(b)    verification of data

(c)     cross check

(d)    control of data

(e)    None of these

Ans : (a)

24. The larger the RAM of a computer, the faster its 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

(e)    None of these

Ans : (c)

25. The temporary or volatile memory of a computer is erased when the computer is turned off. Accordingly, the computer user before turning off the machine must transfer anything in the memory which is important to

(a)    control unit

(b)    ALU

(c)     CPU             

(d)    permanent memory

(e)    None of these

Ans : (d)