General Computer Test - 72

 

1. The two basic types of record-access methods are :

(a)    Sequential and random

(b)    Sequential and indexed

(c)     Direct and Immediate

(d)    On-line and real time

(e)    None of these

Ans : (a)

2. The memory which is programmed at the time it is manufactured :

(a)    ROM

(b)    RAM

(c)     PROM

(d)    EPROM

(e)    None of these

Ans : (a)

3. Which of the following memory medium is not used as main memory system?

(a)    Magnetic core

(b)    Semiconductor

(c)     Magnetic tape

(d)    Both a and b

(e)    None of these

Ans : (c)

4. Registers, which are partially visible to users and used to hold conditional, are known as :

(a)    PC

(b)    Memory address registers

(c)     General purpose register

(d)    Flags

(e)    None of these

Ans : (c)

5. One of the main feature that distinguish microprocessors from micro-computers 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 these

Ans : (c)

6. The least significant bit of the binary number, which is equivalent to any odd decimal number, is :

(a)    0

(b)    1

(c)     1 or 0

(d)    3

(e)    None of these

Ans : (a)

7. 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 these

Ans : (c)

8. When was the world’s first laptop computer introduced in the market and by whom?

(a)    Hewlett-Packard

(b)    Epson, 1981

(c)     Laplink traveling software Inc. 1982

(d)    Tandy model-2000, 1985

(e)    None of these

Ans : (b)

9. The first microprocessor built by the Intel Corporation was called :

(a)    8008

(b)    8080

(c)     4004

(d)    8800

(e)    None of these

Ans : (c)

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

(a)    Claude Shannon

(b)    Konrard Zues

(c)     George Stibits

(d)    Howard H. Aiken

(e)    None of these

Ans : (c)

11. Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

(a)    Napier

(b)    Babbage

(c)     Pascal

(d)    Leibniz

(e)    None of these

Ans : (d)

12. IBM 7000 digital computer :

(a)    Belongs to second generation

(b)    Uses VLSI

(c)     Employs semi conductor memory

(d)    Has modular constructions

(e)    None of these

Ans : (d)

13. ……….runs on computer hardware and serve as platform for other software to run on:

(a)    Operating system

(b)    Application software

(c)     System software

(d)    All of these

(e)    None of these

Ans : (a)

14. Is the layer of a computer system between the hardware and the user program :

(a)    Operating environment

(b)    Operating system

(c)     System environment

(d)    All of these

(e)    None of these

Ans : (b)

15. The primary purpose of an operating system is :

(a)    To make the most efficient use of the computer hardware

(b)    To allow people to use the computer

(c)     To keep systems programmers employed

(d)    To make computers easier to use

(e)    None of these

Ans : (a)

16. ……….transforms one interface into another interface :

(a)    Program

(b)    Software

(c)     Data

(d)    All of these

(e)    None of these

Ans : (b)

17. ………system is built directly on the hardware

(a)    Environment

(b)    System

(c)     Operating

(d)    All of these

(e)    None of these

Ans : (c)

18. Multiprogramming system :

(a)    Are easier to develop than single programming system

(b)    Execute each job faster

(c)     Execute more jobs in the same time period

(d)    Are used only one large mainframe computers

(e)    None of these

Ans : (c)

19. …………is the first program run on a computer when the computer boots up :

(a)    System software

(b)    Operating system

(c)     System operations

(d)    All of these

(e)    None of these

Ans : (b)

20. ………..interface consists of things like program counter, registers, interrupts and terminals :

(a)    Hardware

(b)    Software

(c)     Data

(d)    All of these

(e)    None of these

Ans : (a)

21. ………..share characteristics with both hardware and software :

(a)    Operating system

(b)    Software    

(c)     Data

(d)    All of these

(e)    None of these

Ans : (a)

22. ………..is used in operating system to separate mechanism from policy :

(a)    Single level implementation

(b)    Two level implementation

(c)     Multi level implementation

(d)    All of these

(e)    None of these

Ans : (b)

23. The operating system creates from the physical computer :

(a)    Virtual space

(b)    Virtual computers

(c)     Virtual device

(d)    All of these

(e)    None of these

Ans : (b)

24. Swapping :

(a)    Works best with many small partitions

(b)    Allows many programs to use memory simultaneously

(c)     Allows each program in turn to use the memory

(d)    Does not work with overlaying

(e)    Works best with few big partitions

Ans : (c)

25. Which of the following operating does not implement multitasking truly?

(a)    Windows 98

(b)    Windows NT

(c)     Windows XP

(d)    MS DOS

(e)    None of these

Ans : (d)