The Global Open University 2012-1st Year M.C.A Global open University of IT Tools and Applications - Question Paper

jan, 2012
Duration: two Hours
Course: Master in Computer Application
Year: 1st Year
Paper Name: IT Tools and Applications

ATTEMPT ALL THE beneath MENTIONED QUESTIONS:
1 ) In a computer system the outcome of
data processing con be reported
through
a. Control unit
b. Output device
c. Secondary memory
d. Secondary memory
2) COBOL language is specially meant
for _______ people.
a. Business people
b. Organisation people
c. Common people
d. Beginner's people
3 ) DOS allows division of disk space
into various portions called RARTIT
IONS.
a. actual
b. False
c. Sometimre actual
d. Can't be stated
4) ATTRIB is an internal DOS
command.
a. actual
b. False
c. It is not DOS command
d. It is external DOS command
5) The base of octal number system is.
a. 2
b. 8
c. 10
d. 16
6) A hexadecimal digit can change
____________ bit binary number.
a. 2
b. 4
c. 6
d. 8
7) Number of bits in an ASCII
number.
a. 6
b. 7
c. 8
d. None of the above
8) The input device OCR stands for .
a. operand Clock Recognition
b. Optial Character Recognition
c. Operand Clock Register
d. Opcode Character Register
9) 'Multi programming ' is.
a. Having many processor in computer
system
b. Concurrent residency of many programs
in main memory
c. Parallel processing
d. None of the above
10) 'Buffering' is used for.
a. Memory management
b. I/O management
c. Processor management
d. None of the above
11) The hexadecimal digits are one to
0and A to
a. E
b. F
c. G
d. D
12 ) The main advantage of
hexadecimal numbers is the case of
conversion from hexadecimal to .......
and vice versa.
a. decimal
b. binary
c. ASCII
d. BCD
13 ) Binary coded decimal (BCD)
numbers express every digit as a
a. byte
b. nibble
c. bit
d. all of the above
14) ASCII code is a seven bit code for
a. le5ers
b. numbers
c. other symbols
d. all of the above
15 ) How many bytes are there in
1011 1001 0110 1110 numbers?
a. 1
b. 2
c. 4
d. 8
16 ) An OR gate has six inputs, how
many input words are in its truth
table?
a. 64
b. 32
c. 16
d. 128
17 ) In Boolean Algebra, the times
sign stands for which operation?
a. AND
b. OR
c. NAND
d. NOR
18) The binary equivalent of the octal

Earning:   Approval pending.