Computer Science - Computer Fundamentals Part 8

1. Which of the following bus types are used by the Apple Macintosh computer?

A.
ISA

B.
NuBus

C.
EISA

D.
MCA

E.
PCI Bus

 Answer Option B

2. When the time to establish link is large and the size of data is small, the preferred mode of data transfer is

A.
Circuit switching

B.
Packet switching

C.
Time division multiplexing

D.
All of the above

E.
None of the above

 Answer Option B

3. Group of instructions that directs a computer is called

A.
Storage

B.
Memory

C.
Logic

D.
Program

E.
None of the above

 Answer Option D

4. 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 the above

 Answer Option A

5. Which of the following is not an output device of a computer?

A.
Printer

B.
keyboard

C.
VDU

D.
CRT screen

E.
All of the above

 Answer Option B

6. Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system?

A. Time-sharing

B. Online processing

C. Interactive processing

D. All the above processing

E. None of the above

 Answer Option D

7. What is the name given to the specialized storage element in the processor unit of a computer which is used as a "scratch pad" during processing operations?

A. storage register

B. primary memory

C. cache memory

D. accumulator

E. None of the above

 Answer Option C

8. A large number of computers in a wide geographical area can be efficiently connected using

A. Twisted pair lines

B. Coaxial cables

C. Communications satellites

D. All of the above

E. None of the above

 Answer Option C

9. Which of the following statements is true?

A. Analysts usually work alone and sometimes as part of a team

B. Most systems projects are completed in 6 to 12 weeks

C. An analyst's primary concern is the development of software

D. Analysts evaluate data flow through an organization

E. None of the above

 Answer Option D

10. Which of the following is not an advantage of magnetic disk storage?

A. The access time of magnetic disk is much less than that of magnetic tape

B. Disk storage is longer lasting than magnetic tape

C. Disk storage is less expensive than tape storage

D. All of the above

E. None of the above

 Answer Option E

11. An advantage of blocking a tape is that

A. additional processing time is consumed

B. the direct file method can be emulated

C. tapes contain less data and longer tapes

D. less tape is used to store the same amount of data

E. None of the above

 Answer Option D

12. 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 the above

 Answer Option A

13. What is the byte capacity of a drum which is 5 inch high, 10 inch diameter, and which has 60 tracks per inch and bit density of 800 bits per inch?

A. 942000 bytes

B. 9712478 bytes

C. 192300 bytes

D. 14384 bytes

E. None of the above

 Answer Option A

14. Ethernet uses

A. Bus topology

B. Ring topology

C. Star topology

D. Tree topology

E. None of the above

 Answer Option A

15. What is the latest write-once optical storage media?

A. Digital paper

B. Magneto-optical disk

C. WORM disk

D. CD-ROM disk

E. None of the above

 Answer Option A

16. The data processing job expected to further decrease in the 1996s is that of:

A. Keypuncher

B. Data entry clerk

C. Computer operator

D. Programmer

E. None of the above

 Answer Option A

17. A computer has no more sense than a light

A. bulb

B. pen

C. switch

D. pad

E. None of the above

 Answer Option C

18. The first large scale electronic computer which became operational in 1946 and contained approximately 18000 vacuum tubes and could perform 300 multiplications per second was known as

A. ILLIAC

B. ENIAC

C. JOHNIAC

D. EDSAC

E. None of the above

 Answer Option B

19. A computer program that converts an entire program into machine language at one time is called a/an

A. interpreter

B. simulator

C. compiler

D. commander

E. None of the above

 Answer Option C

20. A logic gate is an electronic circuit which

A. makes logic decisions

B. allows electron flow only in one direction

C. works on binary algebra

D. alternates between 0 and 1 values

E. None of the above

 Answer Option A

21. Identity the advantages that Micro Channel Architecture offers over ISA.

A. Automatic System Configuration

B. Less Interference

C. Multiple device handling (the system allows expansion boards to take complete of the bus for certain operations)

D. Greater data transfer rates

E. All of the above

 Answer Option E

22. Computer scientists are exploring the possibility of culturing bacteria to create living chips which have digital electronic properties. What are these chips called?

A. bacterial chips

B. biochips

C. natural chips

D. neural chips

E. None of the above

 Answer Option B

23. What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?

A. Cache

B. Concentrator

C. Buffer

D. I/O device

E. None of the above

 Answer Option C

24. In latest generation computers, the instructions are executed

A. Parallely only

B. Sequentially only

C. Both sequentially an parallely

D. All of the above

E. None of the above

 Answer Option C

25. Program execution time would be minimum if the programs are written in

A. Machine Language

B. Assembly language

C. High level language

D. All of the above

E. None of the above

 Answer Option A

26. A small square or rectangular piece of silica on which several layers of an integrated circuit are etched or imprinted is called

A. VLSI

B. micro

C. wafer

D. chip

E. None of the above

 Answer Option D

27. The processing capability of a microcomputer can be enhanced with the help of

A. addition processor

B. expansion cards

C. secondary memory

D. buffer memory

E. None of the above

 Answer Option B

28. Where are silicon chips manufactured in India?

A. Chandigarh

B. Punjab

C. UP.

D. Tamil Nadu

E. None of the above

 Answer Option A

29. A computer programmer

A. does all the thinking for a computer

B. can enter input data quickly

C. can operate all types of computer equipment

D. can draw only flowchart

E. None of the above

 Answer Option A

30. "The three most important inventions of this century are the nuclear bomb, the high yield hybrid speed, and the computer". Can you name the person who made this statement?

A. Harry R Jordan

B. Buckminster Fuller

C. Jack Smith

D. Jan Timmer

E. None of the above

 Answer Option B

31. A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?

A. Icon

B. Figure

C. Symbol

D. option

E. None of the above

 Answer Option A

32. What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?

A. Babbage's Difference Engine

B. Pascal's Adder

C. Leibnitz's Multiplier

D. Differential Analyser

E. None of the above

 Answer Option A

33. The first machine to successfully perform a long series of arithmetic and logical operations was:

A. ENIAC

B. Mark I

C. Analytic engine

D. UNIVAC-I

E. None of the above

 Answer Option B

34. Which is used for manufacturing chips?

A. Bus

B. Control unit

C. Semiconductors

D. (a) and (b) only

E. None of the above

 Answer Option C

35. The 0 and 1 in the binary numbering system are called binary digits or _____

A. bytes

B. kilobytes

C. decimal bytes

D. bits

E. nibbles

 Answer Option D

36. Floppy disks which are made from flexible plastic material are also called?

A. hard disks

B. high-density disks

C. diskettes

D. templates

E. None of the above

 Answer Option C

37. 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 the above

 Answer Option D

38. Which of the following is responsible for coordinating various operations using timing signals?

A. Arithmetic-logic Unit

B. Control unit

C. Memory unit

D. Input/Output unit

E. None of the above

 Answer Option B

39. All calculations are performed and all comparisons are made in _____ unit.

A. control unit

B. aritmetic-logic unit

C. central processing unit

D. primary storage unit

E. None of the above

 Answer Option B

40. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called

A. ASCII

B. EBCDII

C. BCD

D. All of the above

E. None of the above

 Answer Option A

41. 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 the above

 Answer Option C

42. The computer translates the condition of each switch to a number. What number is represented by the OFF state?

A. -7

B. -3.75

C. 1

D. 0

E. -22

 Answer Option D

43. Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?

A. Claude Shannon

B. Konard Zuse

C. George Stibits

D. Howard H. Aliken

E. None of the above

 Answer Option C

44. Hard disks and diskettes are:

A. Direct access storage devices

B. Sequential access storage devices

C. Rarely used with microcomputers

D. Both (a) and (c)

E. None of the above

 Answer Option A

45. In digital data transmission

A. Baud rate in equal to bit rate

B. Baud rate is always smaller than the bit rate

C. Baud rate is always higher than the bit rate

D. All of the above

E. None of the above

 Answer Option E

46. Which of the following is not one of the three primary functions that on-line direct-access systems can serve?

A. inquiry

B. backup

C. update

D. programming

E. None of the above

 Answer Option B

47. How many bits can be stored in the 8K RAM?

A. 8000

B. 8192

C. 4000

D. 4096

E. None of the above

 Answer Option B

48. A code which uses more bits for each character then what is necessary is known as

A. Hollerith code

B. Gray code

C. Redundant code

D. Mnemonics

E. None of the above

 Answer Option C

49. Point out the odd item amongst the following

A. Computer mouse

B. Touchpad

C. Light pen

D. Printer

E. None of the above

 Answer Option D

50. Access time in a computer memory is the time required to

A. Locate the stored data

B. Retrieve the stored data

C. Both locate and retrieve the data

D. All of the above

E. None of the above

 Answer Option C