Saturday 23 November 2013

Fundamental of Computer System

Fundamental of Computer System
Part – A
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Question 1): What is a computer? Write in your words how you have experienced in your day to work and life
Question 2): Write any two characteristics of computer comparing the advantageous factor with traditional way of doing the particular task.
Question 3): Name any two input devices and one I/O device which works as data input as well output in same device
Question 4): What is secondary memory? Name three secondary storage devices compare them based upon the capacity and access speed.
Question 5): What is meant by operating system?


Part - B
Question 1: What is Computer network Explain Wide Area Network (WAN). Research on Cloud Computing
Question 2: Write a note on future generation computers. Write the applications of those computers in business.
Question 3: Define RAM and ROM Optical media. Spread sheet functions. Computer virus E-mail.
Part - C

1) The access method used for magnetic tape is____
a) Direct
b) Random
c) Sequential
d) None of the above

2) By Processing we understand__________
a) Processing string of only words
b) None of the above
c) String manipulation only
d) Processing string of numbers and special symbols

3) The difference between memory and storage is that the memory is___ and storage is____________________
a) Temporary, permanent
b) Permanent, temporary
c) Slow, fast
d) None of the above

4)   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

5)       The language that the computer can understand and execute is called
a) Machine language
b) Application software
c) System program
d) None of the above

6)       Which of the following devices can be used to directly input printed text a) OCR
b) OMR
c) MICR
d) None of the above

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

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

9) Actual execution of instructions in a computer takes place in
a) ALU
b) Control Unit
c) Storage unit
d) None of the above

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

11) Information retrieval is faster from
a) Floppy disk
b) Magnetic tape
c) Hard disk
d) None of the above

12) Operating system is
a)   A collection of hardware components
b)   A collection of software routines
c)   A collection of input-output devices
d)   none of the above

13) 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

14) Execution of two or more programs by a single CPU is known as:
a) Multiprocessing
b) Time sharing
c) Multiprogramming
d)      None of the above

15) Modem stands for
a) A type of secondary memory
b) Modulator demodulator
c) Mainframe operating device memory
d) None of the above
16) Typical data transfer rate in LAN are of the order of
(a) Bits per sec
(b) Kilo bits per sec
(c) Mega bits per sec
(d) None of the above

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

18) Wide area networks (WANs) always require
(a) High bandwidth communication source link
(b) High speed processors
(c) Same type
(d) None of the above

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

20) A large number of computers in a wide geographical area can be efficiently connected by
(a) Twisted pair lines
(b) Coaxial cables
(c) Communications satellites
(d) None of the above

21) Which of the following topologies is not of broadcast type ?
(a) Star
(b) Bus
(c) Ring
(d) None of the above

22) 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

23) The part of machine level instruction, which tells the central processor what was to be Done is
(a) Operation code
(b) Address
(c) Operand
(d) None of the above

24) 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

25) Indicate which of the following, best describes the term "software"
a)Systems programs only
b)Application programs only
c)Both (a) and (b)
d)None of the above

26) A translator is best described as
a) An Application software
b) A system software
c) A hardware component
d) None of the above

27) 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

28) The errors that can be pointed out by the compiler are
a)Syntax errors
b)Semantic errors
c)Logical errors
d)None of the above

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

30) A graph prepared by a computer
a) is its output
b) is the piece of information to use
c)is a hard copy
d) all of the above

31) Which of the following does not represent on I/O device
a) speaker which beeps
b) joystick
c) plotter
d) ALU

32) The communication line between the CPU, memory and peripherals is called
a) Bus
b) line
c) media
d) none of these

33) Memories which can be read only are called memories
a) RAM
b) ROM (read only memory)
c) PROM
d) EPROM

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

35) One thousand bytes represent a
a) Megabyte
b) Gigabyte
c) Kilobyte
d) None of the above

36) The language that the computer can understand and execute is called
a) Machine language
b) Application software
c) System program
d) None of the above

37) 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

38) Which of the following holds the ROM, CPU, RAM and expansion cards?
a) Hard disk
b) Cache memory
c) Mother board
d) None of the above

39) The errors that can be pointed out by the compiler are
a) Syntax errors
b) Semantic errors
c) Logical errors
d) None of the above

40) A computer cannot "boot" if it does not have the
a) Compiler
b) Loader
c) Operating system

d) Assembler

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