Friday, 4 December 2020

General Computer Test - 20

 

1. The most popular language for interactive use is

(a)    COBOL

(b)    PASCAL

(c)     BASIC

(d)    FORTRAN

(e)    None of these

Ans : (c)

2. In which mode, each user has a local input/output device?

(a)    Interactive

(b)    Time sharing mode

(c)     Batch processing mode

(d)    All of these

(e)    None of these

Ans : (b)

3. A standard tape recorder used to save or load computer information is known as

(a)    magnetic tape

(b)    cassette drive

(c)     punched paper tape

(d)    card punch

(e)    None of these

Ans : (b)

4. Programs designed to perform specific tasks is known as

(a)    system software

(b)    application software

(c)     utility programs

(d)    operating system

(e)    None of these

Ans : (b)

5. Perforated paper used as input or output media is known as

(a)    paper tape

(b)    magnetic tape

(c)     punched paper tape

(d)    card punch

(e)    None of these

Ans : (a)

6. A computer with CPU speed around 100 million instructions per second and with the word length of around 64 bits is known as

(a)    super computer

(b)    mini computer

(c)     mainframe computer

(d)    micro computer

(e)    None of these

Ans : (a)

7. An approach that permits the computer to work on several programs instead of one is

(a)    on-line thesaurus

(b)    multiprogramming

(c)     overlapped processing

(d)    outline processor

(e)    None of these

Ans : (c)

8. A directly accessible appointment calendar is a feature of a resident package.

(a)    CPU

(b)    Memory

(c)     Buffer

(d)    ALU

(e)    None of these

Ans : (b)

9. The term gigabyte refers to

(a)    1024 bytes

(b)    1024 kilobytes

(c)     1024 megabytes

(d)    1024gigabytes

(e)    None of these

Ans : (c)

10. CAD stands for

(a)    Computer Aided Design

(b)    Computer Algorithm for Design

(c)     Computer Application in Design

(d)    All of these

(e)    None of these

Ans : (a)

11. In which language is a source program written?

(a)    English

(b)    Symbolic

(c)     High-level

(d)    Machine

(e)    None of these

Ans : (c)

12. Which of the following terms is the most closely related to main memory?

(a)    Non-volatile

(b)    Permanent

(c)     Control unit

(d)    Temporary

(e)    None of these

Ans : (d)

13. Which of the following is used for manufacturing chips?

(a)    Control bus

(b)    Control unit

(c)     Parity unit

(d)    Semiconductor

(e)    None of these

Ans : (d)

14. Which of the following is required when more than one person uses a central computer at the same time?

(a)    Terminal

(b)    Light pen

(c)     Digitizer

(d)    Mouse

(e)    None of these

Ans : (a)

15. Who is considered the ‘father’ of the minicomputer and one of the founder fathers of the modem computer industry world-wide?

(a)    George Tate

(b)    Kenneth H. Olsen

(c)     Seymour Cray

(d)    Basic Pascal

(e)    None of these

Ans : (b)

16. Multiprogramming was made possible by

(a)    input/output units that operate independently of the CPU

(b)    operating system

(c)     both (a) and (b)

(d)    neither (a) nor (b)

(e)    None of these

Ans : (c)

17. Network topology, consisting of nodes attached in a ring, without a host computer, is known as

(a)    star

(b)    ring

(c)     bus

(d)    tree

(e)    None of these

Ans : (b)

18. Which of the following terms does not describe a database structure used by a DBMS to link data from several files?

(a)    Relational

(b)    Structural

(c)     Network

(d)    All of these

(e)    None of these

Ans : (b)

19. 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

(e)    None of these

Ans : (a)

20. Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is

(a)    manual control

(b)    mapping

(c)     shift register

(d)    ALU

(e)    None of these

Ans : (a)

21.A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is

(a)    punched paper tape

(b)    chip card

(c)     card punch

(d)    magnetic tape

(e)    None of these

Ans : (b)

22. A repository for data, usually covering specific topic is

(a)    database

(b)    data requisition

(c)     databank

(d)    data collection

(e)    None of these

Ans : (c)

23. An on-line backing storage system capable of storing larger quantities of data is

(a)    CPU

(b)    memory

(c)     mass storage

(d)    secondary storage

(e)    None of these

Ans : (c)

24. Which is an item of storage medium in the form of a circular plate?

(a)    Disk

(b)    CPU

(c)     Printer

(d)    ALU

(e)    None of these

Ans : (a)

25. The progressing of two or more programs in parallel is

(a)    concatenation

(b)    data module

(c)     concurrency

(d)    colossus

(e)    None of these

Ans : (c)

General Computer Test - 19

 

1. Why do magnetic tape drives for minicomputers use vacuum columns?

(a)    For quick acceleration and deacceleration of the tape

(b)    For immediate starting and stopping of the tape

(c)     To avoid stress in the tape

(d)    To provide extra tape length

(e)    None of these

Ans : (c)

2. What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?

(a)    Load maker

(b)    Load marker

(c)     Tape separator

(d)    Tape marker

(e)    None of these

Ans : (a)

3. The data on the tracks on a magnetic disk are written as

(a)    up or down

(b)    tiny magnetic spots

(c)     0 or 1

(d)    high or low voltage

(e)    None of these

Ans : (b)

4. Which memory is nonvolatile and may be written only once?

(a)    RAM

(b)    EE-ROM

(c)     RAM

(d)    PROM

(e)    None of these

Ans : (d)

5. Which of the following statements is wrong?

(a)    An EPROM can be programmed, erased and reprogrammed by the user with an EPROM programming instrument

(b)    Magnetic tape is non volatile

(c)     Magnetic core and semiconductor memories

(d)    RAM is a type of volatile memory

(e)    None of these

Ans : (c)

6. For a memory system, the cycle time is

(a)    same as the access time

(b)    longer than the access time

(c)     shorter than the access time

(d)    submultiple of the access time

(e)    None of these

Ans : (b)

7. The process of fetching and executing instructions, one at a time, in the order of increasing addresses is known as

(a)    instruction execution

(b)    straight line sequencing

(c)     instruction fetch

(d)    random sequencing

(e)    None of these

Ans : (b)

8. Non-volatility is an important advantage of

(a)    CCD’s

(b)    magnetic tapes and disks

(c)     magnetic bubbles

(d)    both (b) and (c)

(e)    None of these

Ans : (d)

9. The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is

(a)    2400-4700

(b)    390-600

(c)     150-250

(d)    300-600

(e)    None of these

Ans : (c)

10. Main memory contains

(a)    data

(b)    instructions

(c)     both (a) and (b)

(d)    either (a) and (b)

(e)    None of these

Ans : (c)

12. Which access method is used for obtaining a record from a cassette tape?

(a)    Direct

(b)    Sequential

(c)     Random

(d)    All of these

(e)    None of these

Ans : (b)

13. Two new types of semiconductor memories are

(a)    magnetic disks

(b)    charge-coupled devices

(c)     magnetic bubble memory

(d)    both (b) and (c)

(e)    None of these

Ans : (d)

14. The word ‘serial’ describes

(a)    an inexpensive card reader that reads one column at a time

(b)    a character-by-character transfer of data between an input/output or auxiliary storage unit and a channel

(c)     is a serial communication physical interface through which information transfers in or out one bit at a time

(d)    both (a) and (b)

(e)    None of these

Ans : (d)

15. The largest of the four conceptual areas of storage is likely to be the

(a)    program area

(b)    output area

(c)     working area

(d)    input area

(e)    None of these

Ans : (a)

16. In half-duplex data transmission

(a)    data can be transmitted in one direction only

(b)    data can be transmitted in both directions

(c)     data can be transmitted in both directions simultaneously

(d)    data cannot be transmitted

(e)    None of these

Ans : (b)

17. A lever used to control the movement of a cursor on a video screen is

(a)    keyboard

(b)    Joy stick

(c)     light pen

(d)    plotter

(e)    None of these

Ans : (b)

18. In synchronous transmission data from various users

(a)    require header

(b)    do not require header

(c)     sometimes require header

(d)    All of these

(e)    None of these

Ans : (b)

19. The personal computers are also called

(a)    desk top computers

(b)    palmtop computers

(c)     advanced computers

(d)    portable computers

(e)    None of these

Ans : (a)

20. To set a register or counter to the all-zero- state is

(a)    rerun

(b)    reset

(c)     remote

(d)    release

(e)    None of these

Ans : (b)

21. A device for entering X-Y co-ordinates is known as

(a)    card reader

(b)    cassette tape

(c)     multiplexer

(d)    joystick

(e)    None of these

Ans : (d)

22. Which of the following is still useful for adding numbers?

(a)    EDSAC

(b)    ENIAC

(c)     Abacus

(d)    UNIVAC

(e)    None of these

Ans : (c)

23. Which unit decodes information and present to the user?

(a)    ALU

(b)    Storage unit

(c)     Output unit

(d)    Control unit

(e)    None of these

Ans : (c)

24. Main storage is also called

(a)    accumulator

(b)    control unit

(c)     register unit

(d)    memory

(e)    None of these

Ans : (d)

25. 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

(e)    None of these

Ans : (b)