General Computer Test - 18

 

1. Touchpads are particularly popular with microcomputer users who cannot

(a)    read

(b)    type

(c)     see

(d)    hear

(e)    None of these

Ans : (b)

2. A trackball is manipulated by

(a)    palm

(b)    foot

(c)     fingers

(d)    sound

(e)    None of these

Ans : (a)

3. The function of CPU is

(a)    to provide a hard copy

(b)    to read, interpret and process the information and instruction

(c)     to communicate with the operator

(d)    to provide external storage of text

(e)    None of these

Ans : (b)

4. Which one of the following is termed a combination input-output device?

(a)    VDT

(b)    Keyboard

(c)     Printer

(d)    Laser Jet

(e)    None of these

Ans : (a)

5. The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?

(a)    Laser Scanner

(b)    Wand

(c)     OCR             

(d)    MICR

(e)    None of these

Ans : (a)

6. The optical technique that uses lasers is

(a)    photodigital storage

(b)    EBAM storage

(c)     CCD storage

(d)    cryogenic storage

(e)    None of these

Ans : (a)

7. The disadvantages of a direct access file is

(a)    the delay in computing the storage address

(b)    duplication of address locations

(c)     unused, hut available, storage locations

(d)    All of these

(e)    None of these

Ans : (d)

8. A complete set of programs for one specific data processing application is called

(a)    utility application

(b)    canned program

(c)     program package

(d)    both (b) and (c)

(e)    None of these

Ans : (c)

9. A computer-controlled device for training exercises that duplicates the work environment is a

(a)    simulator

(b)    duplicator

(c)     trainer

(d)    COM device

(e)    None of these

Ans : (a)

10. An advantage of overlapped processing activities is

(a)    more effective use of the CPU

(b)    increased processing activities for the entire system

(c)     better coordination of I/O activities

(d)    All of these

(e)    None of these

Ans : (d)

11. The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the

(a)    intelligent terminal

(b)    POS terminal

(c)     video display terminal

(d)    audio response unit

(e)    None of these

Ans : (c)

12. The mechanical diskette drive in which you insert your diskette is connected to the computer’s bus

(a)    Data

(b)    Communication

(c)     Address

(d)    Parallel

(e)    None of these

Ans : (b)

13. The number of tracks on a 1/2 inch wide magnetic tape is

(a)    1

(b)    9

(c)     18

(d)    either bare

(e)    None of these

Ans : (d)

14. What is the most common speed in rpm at which the hard disks usually rotate?

(a)    2400

(b)    3600

(c)     4700

(d)    1600

(e)    None of these

Ans : (b)

15. Disk units that use unremovable platters are called

(a)    unremovable disks

(b)    hard disks

(c)     sealed disks

(d)    high-density disks

(e)    None of these

Ans : (b)

16. Before you stored anything on a disk, it has to be

(a)    cleansed

(b)    formatted

(c)     initialized

(d)    either (a) or (b)

(e)    None of these

Ans : (b)

17. What is the name of the screen pointing device that rolls on bearings and has one or more buttons on its top?

(a)    Track ball

(b)    Mouse

(c)     Light pen

(d)    Joy-stick

(e)    None of these

Ans : (b)

18. Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input.

(a)    OCR

(b)    MICR

(c)     OMR

(d)    LCD

(e)    None of these

Ans : (d)

19. All calculations are performed and all comparisons are made in unit

(a)    control unit

(b)    arithmetic-logic unit

(c)     central processing unit

(d)    primary storage unit

(e)    None of these

Ans : (a)

20. A certain computer hardware component does not process the data itself but acts as a central nervous system for other data manipulating components. What is it called?

(a)    ALU (b) RAM

(b)    Control Unit

(c)     Secondary storage

(d)    None of these

Ans : (c)

21. A logic is an electronic circuit which

(a)    makes logic decisions

(b)    allows electron flow only in one direction

(c)     works on binary algebra

(d)    works on float numbers

(e)    None of these

Ans : (a)

23. A code used for standardizing the storage and transfer of information amongst various computing devices is called

(a)    CRT

(b)    CPU

(c)     ASCII

(d)    Dvorak

(e)    None of these

Ans : (c)

24. As compared to a magnetic tape, the main advantage of magnetic disk is its

(a)    rigidity

(b)    direct access

(c)     low cost

(d)    high packing density

(e)    None of these

Ans : (b)

25. What is the size of the optical compact disk which is used for recording high quality music?

(a)    4.7 inch

(b)    3.5 inch

(c)     5.5 inch

(d)    8.7 inch

(e)    None of these

Ans : (a)