Test Papers / Previous Question Papers of IGNOU CIC2 The Technology June 2002

Certificate in Computing (CIC)

Term-End Examination

June, 2002

CIC-2: The Technology

Time: 2 Hrs
Maximum Marks: 70

A) Multiple Choice (Question numbers 1 to 30)

1. With Software, a computer can

(1) Store the data (2) Retrieve the data
(3) Solve different types of problems (4) All of the above

2. FORTRAN programming language is more suitable for

(1) Business Applications (2) Marketing Applications
(3) Scientific Applications (4) None of the above

3. Operating system, editors, debuggers comes under

(1) System S/W (2) Application S/W
(3) Utilities (4) None of the above

4. Functions of an operating system is/are

(1) Manages computer’s resources very efficiently
(2) Takes care of scheduling jobs for execution
(3) Manages the flow of data and instructions
(4) All of the above

5. The translator which takes input in the form of assembly language program and production machine language code as output is

(1) Compiler (2) Interpreter
(3) Debugger (4) Assembler

6. ______________ is a collection of same type of data which is referred by same name.

(1) Variable (2) Data type
(3) Array (4) Constant

7. To repeat certain tasks until no repetition is desired in a program, we use

(1) Assignment statement (2) Print statement
(3) Looping statement (4) None of the above

8. NOT, AND, OR and XOR are

(1) Logical operators (2) Arithmetic operators
(3) Relational operators (4) None of the above

9. The process of communication of data achieved by the propagation and processing of signals is called

(1) Multiplexing (2) Protocol
(3) Transmission (4) None of the above

10. In ______________ mode, the communication channel is used in both directions at the same time.

(1) Full-duplex (2) Simplex
(3) Half-duplex (4) None of the above

11. Modulator-demodulator is a device that converts

(1) Digital signal into analog signal (2) Analog signal into digital signal
(3) Either (1) or (2) (4) None of the above

12. ____________ cable carries signals in the form of fluctuating light in a glass or plastic fibre.

(1) Coaxial (2) Twisted pair
(3) Two wire open line (4) Fibre optics

13. EDIFACT activity is undertaken by

(1) ISO
(2) United Nations Economic Commission Document Standards
(3) Both (1) and (2) (4) None of the above

14. I-Net is the first Packet Switching Public Data Network owned by

(1) Department of Telecommunication (2) Department of Telegraphs
(3) National Information Centre (4) None of the above

15. EDI stands for

(1) Electronic Digital Interchange (2) Electronic Data Interchange
(3) Electronic Dynamic Interface (4) Electronic Digital Interface

16. RSA approach to encryption was invented by

(1) Ronald Rivest (2) Adi Shamir
(3) Leonard Adelman (4) All of the above

17. The interpretation of secret communication without any previous knowledge of the system or key is called

(1) Cryptography (2) Cipher text
(3) Source text (4) Crypt analysis

18. The protection of data against accidental or intentional destruction, disclosure or modification is called

(1) Information security (2) Privacy
(3) Code system (4) Transposition cipher

19. The problem/s created by viruses is/are

(1) Destruction of the file allocation table
(2) Erasing of specific programs or data on disk
(3) Suppress execution of RAM resident programs (4) All of the above

20. CPU’s processing power is measured in

(1) Hours (2) Minutes
(3) Million instructions per second (4) None of the above

21. Charles Babbage invented the

(1) Difference engine (2) Analytical engine
(3) Integrated engine (4) None of the above

22. Second generation computers started with the advent of

(1) Vacuum tubes (2) Transistors
(3) Integrated circuits (4) VLSI circuits

23. Zilog Z80, MOS 6502, Intel 8080 and MC 6809 are

(1) 16-bit microprocessors (2) 64-bit microprocessors
(3) 32-bit microprocessors (4) None of the above

24. Data can be transferred from

(1) CPU to memory or from memory to CPU (2) CPU to I/O or I/O to CPU
(3) Any of (1) or (2) (4) None of the above

25. An interrupt generated by a clock within the processor is called as

(1) I/O interrupt (2) Hardware failure
(3) Time interrupt (4) Program interrupt

26. The time required between the request made for a read/write operation till the time the data is made available or written at the requested location is called

(1) Sequential access (2) Random access
(3) Indexed access (4) Access time

27. RS-232C is a common

(1) bus (2) parallel interface
(3) serial interface (4) None of the above

28. A binary value called a ______________ is usually used to indicate whether a processor is currently executing the critical section in inter-process communication and synchronization.

(1) variable (2) semaphore
(3) data bit (4) parity bit

29. Flight simulations, weather forecasting and image processing are the applications of

(1) Vector processing (2) Pipelining
(3) Array processing (4) None of the above

30. RISC stands for

(1) Reduced Instruction Set Compilers (2) Random Instruction Set Computers
(3) Reduced Interface Set Computers (4) None of the above

B) State whether True or False (Questions 31 to 70)

31. SORT/MERGE are utility programs which are often requested by many application programs.

32. Sequence of instructions written in the form of binary numbers (0 or 1) to which the computer directly responds is called high level language program.

33. Execution is faster for the program using machine language.

34. The programming language feature whose programs could run on different computers with little or no change is called as the “Readability”.

35. The statement used for assigning value to an identifier is called as the print statement.

36. System call provides the interface for program running and the operating system.

37. Buffering is a method which allows CPU to overlap the input of one job with the computation and output of other jobs.

38. UNIX was the operating system developed using C language.

39. Dynamic Data Exchange protocol, defines how two applications can share information.

40. GDI in WINDOWS stands for Graphics Device Interface.

41. An analog signal may take on only a discrete set of values within a given range.

42. In synchronous transmission characters are transmitted as groups, with control characters in the beginning and at the end.

43. Asynchronous communication is faster than synchronous communication.

44. Frequencies below 1000 MHz are radio frequencies and higher are the microwave frequencies.

45. In the Bus topology all the stations (or Nodes) are connected to a single communication line.

46. The instruction cycle time of RISC is not equivalent to CISC.

47. Assembly language programs are machine dependent.

48. CSMA/CD access method is used with star topology networks.

49. In the virtual circuit communication switching technique, a fixed logical path through the network from the sender to the receiver is established before sending any packet.

50. Routers connect two LANs that use identical LAN protocols over a wide area.

51. Risk management has been described as that element of managerial action that concerned with identification, measurement and control of uncertain events.

52. Data Encryption Standard (DES) algorithm was developed by Microsoft in the early 1970s.

53. The process of transforming plain text into an unintelligible form called cipher text, so that it may be sent over unsafe channels of communication is called “cryptography”.

54. Difference between a normal program and virus is that viruses are self-replicating (capability of executing themselves).

55. In MS-DOS, command.com contains all the external commands.

56. V2000 and Invader are application S/W packages.

57. Non-Neumann proposed that there should be a unit performing arithmetic and logical operations on the data.

58. Control Unit and Main Memory are termed as Central Processing Unit (CPU).

59. Memory unit stores all the information in the memory locations as bits.

60. One Kilobyte (1 KB) is equal to 1024 bytes.

61. IBM 700 series computer belongs to third generation computers.

62. Microcomputer’s CPU is called as a microprocessor.

63. 8086 and 8088 introduced by Intel Corporation were 8-bit microprocessors.

64. Program Counter (PC) keeps track of the instruction which is to be executed next, after the execution of an on-going instruction.

65. RAMs are non-volatile memories.

66. Parallel interfaces are normally used for high-speed peripherals such as tapes and disks.

67. Pipelining and simple decoding are key to RISC.

68. Vector instruction removes the overhead of fetching and executing the instructions of a program loop.

69. Tightly coupled systems do not have shared memory.

70. Cache coherence causes data inconsistency.