Sunday 28 December 2014

Computer Knowledge 4

1) Which of the Following holds the ROM, CPU, RAM and expansion cards
a) Hard disk 
b) Floppy disk 
c) Mother board 
d) None of the above
Answer: c

2) A floppy disk contains
a) Circular tracks only 
b) Sectors only 
c) Both circular tracks and sectors
d) None of the above
Answer: c

3) CD-ROM is a
a) Semiconductor memory 
b) Memory register 
c) Magnetic memory
d) None of the above
Answer: d

4) Which of the following is used as a primary storage device
a) Magnetic tape 
b) PROM 
c) Floppy disk 
d) None of the above
Answer: b

5) Operating system
a) Link a program with the subroutines it references
b) Provides a layered, user-friendly interface
c) Enables a programmer to draw a flowchart 
d) None of the above
Answer: b

6) Modem stands for
a) A type of secondary memory 
b) Modulator demodulator
c) Mainframe operating device memory 
d) None of the above
Answer: b

7) Ethernet uses
(a) Bus topology 
(b) Ring topology 
(c) Mesh topology
(d) None of the above
Answer: a

8) By Processing we understand _______________
a) Processing string of only words 
b) None of the above 
c) String manipulation only
Answer: b

9) Typical bandwidth of optical fibers is
(a) Order of GHz 
(b) Order of KHz
(c) Order of Hz 
(d) None of the above

Answer: a

10) Bug means
(a) A logical error in a program 
(b) Documenting programs using an efficient
Documentation too 
(c) A difficult syntax error in a program 
(d) None of the above

Answer: a

11)Indicate which , of the following is not true about 4GL.
a)4GL does not support a high –level of screen interaction
b)Many database management system packages support 4GLs
c)A 4GL is a software tool which is written, possibly, in some third generation language
d)None of the above
Answer: a

12) Indicate which of the following is not true about an interpreter
a)Interpreter generates an object program from the source program
b) Interpreter is a kind of translator
c) Interpreter analyses each source statement every time it is to be executed
d) None of the above
Answer: b

13) C is
a) An assembly language 
b) A third generation high level language
c) A machine language 
d)None of the above
Answer: b

14)Example of non-numerical data is
a) Employee address 
b) Examination score 
c)Bank balance
d)None of the above
Answer: a

15)A step by step procedure used to solve a problem is called
a)Operating system 
b)Algorithm 
c)Application Program 
d)None of the above
Answer: b

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