Computer Science - Computer Fundamentals Part 5

1. What was the total number of UNIVAC-I sold eventually and by which company?

A.
30, British Tabulating Machine Co. (BTM)

B.
40, International Business Machines (IBM)

C.
48, Remington Rand

D.
40, International Computer Ltd. (ICL)

E.
None of the above

 Answer Option C

2. A file containing relatively permanent data is

A.
Random file

B.
Transaction file

C.
Master file

D.
Sequential file

E.
None of the above

 Answer Option C

3. Communication that involves computers, establishing a link through the telephone system is called

A.
Teleprocessing

B.
Microprocessing

C.
Telecommunications

D.
All of the above

E.
None of the above

 Answer Option C

4. Dot-matrix is a type of

A.
Tape

B.
Printer

C.
Disk

D.
Bus

E.
None of the above

 Answer Option B

5. Which kind of devices allows the user to add components and capabilities to a computer system?

A.
System boards

B.
Storage devices

C.
Input devices

D.
Output devices

E.
Expansion slots

 Answer Option E

6. Where does a computer add and compare data?

A. Hard disk

B. Floppy disk

C. CPU chip

D. Memory chip

E. None of the above

 Answer Option C

7. Which of the following require large computer memory?

A. Imaging

B. Graphics

C. Voice

D. All of the above

E. None of the above

 Answer Option D

8. Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?

A. microprocessors

B. registers

C. ROM chips

D. data buses

E. None of the above

 Answer Option B

9. Which disk interface standard includes support for up to eight peripheral devices?

A. ST50G/412

B. IDE

C. SCSI

D. ESDI

E. None of the above

 Answer Option C

10. Who designed the first general purpose electronic digital computer "ENIAC" ?

A. Van-Neumann

B. Joseph M Juoquard

C. J. Presper Ecket and John W Mauchly

D. All of the above

E. None of the above

 Answer Option C

11. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

A. Bus control

B. Interrupts

C. Bus arbitration

D. Status

E. None of the above

 Answer Option C

12. The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use

A. Logic gates

B. Discrete switches

C. Boolean algebra id) Bayes' theorem

D. None of the above

 Answer Option C

13. In synchronous transmission data from various users

A. Require header

B. Do not require header

C. Sometimes require header

D. All of the above

E. None of the above

 Answer Option B

14. General purpose computers are those that can be adopted to countless uses simply by changing its

A. keyboard

B. printer

C. program

D. display screen

E. None of the above

 Answer Option C

15. 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 the above

 Answer Option B

16. A part located in the central processing unit that stores data & information is known as

A. Core memory

B. PROM

C. EPROM

D. ROM

E. None of the above

 Answer Option A

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

A. System software

B. Utility programs

C. Electronic spread sheet

D. Application programs

E. None of the above

 Answer Option C

18. What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?

A. EDVAC

B. EDSAC

C. UNIVAC

D. MARK-I

E. None of the above

 Answer Option B

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

A. Super computer

B. Mini computer

C. Micro computer

D. Micro computer

E. None of the above

 Answer Option A

20. A computer program consists of

A. System flowchart

B. Program flowchart

C. Algorithms written in computer's language

D. Discrete logical steps.

E. None of the above

 Answer Option C

21. An input device which can read characters directly from an ordinary piece of paper is

A. OCR

B. OMR

C. MSI

D. POS

E. None of the above

 Answer Option A

22. Which of the following is not a part of the CPU

A. storage unit

B. arithmetic and logic unit

C. program unit

D. control unit

E. None of the above

 Answer Option C

23. Which of the following chips can be reprogrammed with special electric pulses?

A. EPROM

B. PROM

C. ROM

D. EEPROM

E. None of the above

 Answer Option D

24. In this world of fast changing computer technology, one of the most important factor to be considered while purchasing a PC is, it should have a provision for

A. high level integration

B. self upgradability

C. intelligent sensors

D. faster data access

E. None of the above

 Answer Option B

25. A collection of eight bits is called

A. Byte

B. Word

C. Record

D. File

E. None of the above

 Answer Option A

26. The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?

A. Communicates its results

B. Activates the output device

C. Monitors the flow of information

D. Control the printer

E. None of the above

 Answer Option C

27. Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?

A. indexed sectors

B. sequential

C. direct

D. indexed direct

E. None of the above

 Answer Option D

28. In MODEMS

A. Several digital signals are multiplexed

B. A digital signal changes some characteristic of a carrier wave

C. Digital signal is amplified

D. All of the above

E. None of the above

 Answer Option B

29. Which is a secondary memory device?

A. CPU

B. ALU

C. Floppy disk

D. Mouse

E. None of the above

 Answer Option C

30. A storage device which is used to store data & information external to the main storage is known as

A. Buffer

B. Backing storage

C. PROM

D. Accumulator

E. None of the above

 Answer Option B

31. In a PC, how much memory is available to application software?

A. 1024 KB

B. 760 KB

C. 640 KB

D. 560 KB

E. 2048 KB

 Answer Option C

32. 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 the above

 Answer Option B

33. The number of records contained within a block of data on magnetic tape is defined by the

A. block definition

B. record contain clause

C. blocking factor

D. record per block factor

E. None of the above

 Answer Option C

34. The binary equivalent of the Octal number 13.54 is

A. 1011.1011

B. 1101.1110

C. 1001.1110

D. All of the above

E. None of the above

 Answer Option A

35. 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 the above

 Answer Option B

36. What does that acronym VGA stand for?

A. Extended Graphics Adapter

B. Enhanced Graphics Array

C. Video Graphics Array

D. Color Graphics Array

E. Video Graphics Adapter

 Answer Option C

37. Which part of the diskette should never be touched?

A. Hub

B. Centre

C. Oval slot

D. Corner

E. None of the above

 Answer Option C

38. The storage locations in the interal storage of a CPU are called

A. contents

B. addresses

C. locations

D. mask

E. None of the above

 Answer Option B

39. Which is used to provide the sight information to the right person at the right time for proper decision making?

A. DBMS

B. MIS

C. ISO

D. PSO

E. None of the above

 Answer Option B

40. Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?

A. Reduced seek time

B. Less latency time

C. Reduced search time

D. Less disk speed

E. None of the above

 Answer Option A

41. One of the main feature that distinguish microprocessors from microcomputers is

A. words are usually larger in microprocessors

B. words are shorter in microprocessors

C. microprocessor does not contain I/O devices

D. exactly the same as the machine cycle time

E. None of the above

 Answer Option C

42. Which type of display is the latest to be used for portable computer?

A. LED display

B. LCD display

C. Plasma display

D. Electroluminescent display

E. None of the above

 Answer Option D

43. Which of the following is not true of future computers?

A. increased use of CAD/CAM techniques

B. faster turnaround time

C. developments in artificial intelligence systems

D. development of products more suitable for human use

E. All of the above are true

 Answer Option E

44. The EAM device that does not use a control panel is the:

A. collator

B. reproducer

C. interpreter

D. sorter

E. None of the above

 Answer Option D

45. Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called

A. quick processing system

B. batch processing system

C. real time system

D. remote processing system

E. None of the above

 Answer Option C

46. The following is true about 2-out of-5 code:

A. it is weighted code

B. it is unweighted code

C. it has odd parity

D. All of the above

E. None of the above

 Answer Option B

47. The Josephson tunneling device illustrates principles associated with the advanced storage technique:

A. cryogenics

B. CCD

C. EBAM

D. holographing

E. None of the above

 Answer Option A

48. Which of the following statements is true?

A. The installation of a computer is favorably received by all employees

B. Some form of training is necessary for employees who will work with computers

C. Computers are portrayed solely as society's benefactor

D. A businessperson is only interested in the computer's accuracy

E. None of the above

 Answer Option B

49. Communication between computers using standard telephone service

A. Requires a change to an anolog signal

B. Is most efficient

C. Produces little noise and few disturbances

D. All of the above

E. None of the above

 Answer Option A

50. A floppy disk contains

A. Circular tracks only

B. Sectors only

C. Both circular tracks and sector

D. All of the above

E. None of the above

 Answer Option C