Computer Science - Computer Fundamentals Part 4

1. The access method used for cassette tape is

A.
Direct

B.
Random

C.
Sequential

D.
All of the above

E.
None of the above

 Answer Option C

2. The arranging of data in a logical sequence is called:

A.
sorting

B.
classifying

C.
reproducing

D.
summarizing

E.
None of the above

 Answer Option A

3. Who is the creator of the PASCAL language?

A.
Niklaus Wirth

B.
Dijkstra

C.
Donald Knuth

D.
Basic Pascal

E.
None of the above

 Answer Option A

4. When was punched-card equipment used for the first time to process the British census?

A.
1910

B.
1907

C.
1911

D.
1914

E.
None of the above

 Answer Option C

5. A hashing scheme is used with

A.
sequential file organization

B.
direct file organization

C.
indexed sequential file organization

D.
partitioned file organization

E.
None of the above

 Answer Option B

6. 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 the above

 Answer Option C

7. A computer has a 1024K memory. What does the letter K stand for

A. Kilometre

B. Thousand

C. 1024

D. MB

E. None of the above

 Answer Option C

8. Computer instructions written with the use of English words instead of binary machine code is called

A. Mnemonics

B. Symbolic code

C. Gray code

D. Op-code

E. None of the above

 Answer Option B

9. The system unit of a personal computer typically contains all of the following except:

A. microprocessor

B. disk controller

C. serial interface

D. modem

E. All of the above are contained

 Answer Option D

10. Which of the following are the two main components of the CPU?

A. control unit and registers

B. registers and main memory

C. control unit and ALU

D. ALU and bus

E. None of the above

 Answer Option C

11. A characteristic of card systems is:

A. slowness in processing data

B. using cards as records of transactions

C. needing a larger DP staff

D. all the above

E. None of the above

 Answer Option D

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

A. CPU

B. Memory

C. Buffer

D. ALU

E. None of the above

 Answer Option B

13. 1024 bytes represent a

A. Megabyte

B. Gigabyte

C. Kilobyte

D. None of the above

 Answer Option C

14. Which type device is a piece of equipment that receives information from a CPU?

A. Input

B. Output

C. CPU

D. Memory

E. Storage

 Answer Option B

15. Computer Operators

A. Write computer programs for specific problems

B. Operate the devices which input and output data from the computer

C. Normally require a college degree in computer science

D. All of the above

E. None of the above

 Answer Option B

16. When was the IBM XT microcomputer released in the market?

A. 1970

B. 1971

C. 1987

D. 1986

E. None of the above

 Answer Option C

17. Which of the following is not used for storage purposes with main frame computers?

A. removable disks

B. fixed disks

C. mass storage systems

D. diskettes

E. None of the above

 Answer Option D

18. Which is true for the digital computer?

A. It is less accurate than the analog computer

B. It represents the decimal numbers through a string of binary digits

C. It is used primarily in scientific applications

D. Both (a) and (c)

E. None of the above

 Answer Option B

19. Which of the following terminals' output most closely resembles the output produced by a plotter?

A. graphics terminal

B. POS terminal

C. hardcopy terminal

D. all the above

E. None of the above

 Answer Option A

20. What is the main advantage of magnetic core memory over semiconductor RAM memory?

A. more compact and smaller

B. more economical

C. a bit does not have to write after reading

D. non volatile

E. None of the above

 Answer Option D

21. Which of the following is used for serial access storage only?

A. RAM

B. Magnetic tape

C. Magnetic disk

D. Core memory

E. None of the above

 Answer Option B

22. A memory space used for the temporary storage of data is

A. PROM

B. SAM

C. Scratchpad storage

D. Buffer

E. None of the above

 Answer Option C

23. What is the name of the logic circuit which can add two binary digits?

A. Full adder

B. Half adder

C. Buffer

D. Register

E. None of the above

 Answer Option B

24. A small film-plate which is used for microfilming the output from a microcomputer screen is called

A. microfilm

B. microfiche

C. film card

D. COM

E. None of the above

 Answer Option B

25. The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?

A. Monochip

B. Microprocessor

C. ALU

D. Control Unit

E. None of the above

 Answer Option B

26. Continuous line drawing are produced using

A. Chain printers

B. Daisy wheel printers

C. Plotters

D. Thermal devices

E. None of the above

 Answer Option C

27. Which of the following registers is loaded with the contents of the memory location pointed by the PC?

A. Memory Address Register

B. Memory Data Register

C. Instruction Register

D. Program Counter

E. None of the above

 Answer Option C

28. Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost

A. static

B. disk space

C. power

D. both a and b above

E. None of the above

 Answer Option C

29. One byte can be used to encode any integer between 'O' and -inclusive

A. 16

B. 256

C. 128

D. 255

E. None of the above

 Answer Option D

30. Why is the width of the data bus so important to the processing speed of a computer?

A. The narrower it is, the greater the computer's processing speed

B. The wider it is, the more data that can fit into main memory

C. The wider it is, the greater the computer's processing speed

D. The wider it is, the slower the computer's processing speed

E. The data bus isn't important to the processing speed of a computer

 Answer Option C

31. How many types of storage loops exist in magnetic bubble memory?

A. 8

B. 4

C. 16

D. 2

E. None of the above

 Answer Option D

32. 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 the above

 Answer Option B

33. The bubbles in a bubble memory pack are created with the help of?

A. Laser beam

B. Magnetic field

C. Electric field

D. X-ray

E. None of the above

 Answer Option B

34. The central processor of a modern digital computer consists of

A. control unit

B. primary memory

C. control unit and primary memory

D. All of the above

E. None of the above

 Answer Option C

35. Fifth generation computers are likely to exhibit

A. artificial intelligence

B. heuristic behaviour

C. advanced parallel processing

D. All of the above

E. None of the above

 Answer Option D

36. A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?

A. Mass Memory

B. Main memory

C. Logic unit

D. Arithmetic unit

E. None of the above

 Answer Option B

37. When did arch rivals IBM and Apple Computers Inc. decide to join hands?

A. 1978

B. 1984

C. 1990

D. 1991

E. None of the above

 Answer Option D

38. The transistorized computer circuits were introduced in the

A. First generation

B. Second generation

C. Third generation

D. Fourth generation

E. Fifth generation

 Answer Option B

39. The memory sizes in mainframe computers and advanced technology micro computers are expressed as

A. Bytes

B. Kilo-bytes

C. Bits

D. Megabytes

E. None of the above

 Answer Option D

40. A memory bus is mainly used for communication between

A. processor and memory

B. processor and I/O devices

C. I/O devices and memory

D. input device and output device

E. None of the above

 Answer Option A

41. An AND gate

A. implements logic addition

B. is equivalent to a series switching circuit

C. is an any or all gate

D. is equivalent to a parallel switching circuit

E. None of the above

 Answer Option B

42. The daily processing of corrections to customer accounts best exemplifies the processing mode of:

A. Batch processing

B. Real-time processing

C. Time-sharing

D. Offline processing

E. None of the above

 Answer Option A

43. Which of the following devices can be used to directly input printed text?

A. OCR

B. OMR

C. MICR

D. All of the above

E. None of the above

 Answer Option A

44. To locate a data item for storage is

A. Field

B. Feed

C. Database

D. Fetch

E. None of the above

 Answer Option D

45. Which of the following memory is capable of operating at electronics speed?

A. Semiconductor memory

B. Magnetic disks

C. Magnetic drums

D. Magnetic tapes

E. None of the above

 Answer Option A

46. The main purpose of time sharing techniques used in computers is to make the best use of the

A. CPU

B. peripherals

C. seconday storage

D. floppy disks

E. None of the above

 Answer Option A

47. Which of the following is not true of immediate processing?

A. It is often used in real-time applications

B. It can occur with either sequential of direct-access files

C. It can be used in an airline-reservation system

D. Transactions are processed shortly after a real-world event occurs

E. All of the above are true

 Answer Option B

48. A temporary storage area, attached to the CPU, for I/O operations is a:

A. chip

B. buffer

C. register

D. core

E. None of the above

 Answer Option B

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

A. Disk unit

B. Control unit

C. ALU

D. Modem

E. None of the above

 Answer Option C

50. The person contributing the idea of the stored program was

A. John von Neumann

B. Charles Babbage

C. Howard Aiken

D. Basic Pascal

E. None of the above

 Answer Option A