# Class 9 Computer MCQ with Answers Chapter 5

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The process of converting numeric or nonnumeric data into binary language is called:
argument
fixed point representation
floating point representation
coding

2’s complement of 0101010(2) is:
1010110
1010101
0000011
11001100

727-R is:
Numeric data
Alphabetic
Alphanumeric data
None of these

BCD is a:
4 bit code
6 bit code
7 bit code
8 bit code

The hexadecimal number 10(16) is equal to:
10(10)
100(10)
16(10)
8(10)

Computer directly processes data in:
binary number system
decimal number system
octal number system

The base of decimal number system is:
2
8
10
16

An eight bit coding scheme is:
ASCII
EBCDIC
BCD
Unicode

1’s complement of negative binary number can be calculated by:
cannot be calculate
reversing the bits in the number
reversing the bits in the number and adding one
both (a) and (c)

A date which consists of fraction and integer number is called:
integer data
Alphabetic data
Alphanumeric date
real data

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