ECAT Pre Computer Science MCQ Test For Computer Chapter 4 With Answer

MCQ's Test For ECAT Computer Science Chapter 4 Computer Arithmetic & Number System

Try The MCQ's Test For ECAT Computer Science Chapter 4 Computer Arithmetic & Number System

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ECAT Computer Science Chapter 4 Computer Arithmetic & Number System

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Question # 1

The number A9D in Hexadecimal system is equivalent to which number in decimal system.

Question # 2

The binary number 101000101011 is equal to the hexadecimal number

Question # 3

Number 37510is equivalent in binary system to.

Question # 4

Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.

Question # 5

What is the octal equivalent of the binary system :10111101.?

Question # 6

Data items are generally classified into which type of codes

Question # 7

The binary number 10011101 is equal to the hexadecimal number.

Question # 8

A letter, number, or a special character is represented by a.

Question # 9

The main advantage of hexadecimal number is the case of conversion from hexadecimal to.

Question # 10

The number ABC in Hexadecimal system is equivalent to which number in decimal system.

Question # 11

Binary number 10101101 is equivalent in decimal form to.

Question # 12

Base 8 is often used in computing because.

Question # 13

The reason why computers have been designed to use binary numbers is.

Question # 14

The number A9D in Hexadecimal system is equivalent to which number in binary system.

Question # 15

Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a

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ECAT Computer Sciences Chapter 4 Important MCQ's

Sr.# Question Answer
1 1268+ 4258= __________
A. 1111010112
B. 1011010012
C. 1011010112
D. 1011000112
2 The number 10000 would appear just immediately after.
A. FFFF (hex)
B. 1111 (binary)
C. 7777 (octal)
D. all of the above
3 Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a
A. 8 bit code
B. 4 bit code
C. 5 bit code
D. 7 bit code
4 The number A9D in Hexadecimal system is equivalent to which number in binary system.
A. 101010111101
B. 101010011101
C. 101110011101
D. 101010011111
5 The main advantage of hexadecimal number is the case of conversion from hexadecimal to.
A. ASCII code
B. binary
C. octal
D. decimal
6 1258(octal) in decimal equivalent is equal to.
A. 8310
B. 8410
C. 8510
D. 8610
7 A letter, number, or a special character is represented by a.
A. bit
B. kilobyte
C. byte
D. megabyte
8 Binary number 10101101 is equivalent in decimal form to.
A. 170
B. 171
C. 173
D. 174
9 The number ABC in Hexadecimal system is equivalent to which number in decimal system.
A. A x 100 + B x 10 + C x 1
B. 10 x 100 + 11 x 10 + 12
C. 10 x 16 + 11 x 16 + 12
D. 10 x 256 + 11 x 16 + 12
10 AB16+ CD16= ________
A. 1011110102
B. 1011110002
C. 1011111102
D. 1011010002

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