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

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

Question # 2

1258(octal) in decimal equivalent is equal to.

Question # 3

The digits used for hexadecimal number system are.

Question # 4

Four-digit binary number 1011 is represented in the decimal system by.

Question # 5

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

Question # 6

Base 8 is often used in computing because.

Question # 7

The binary number 10011101 is equal to the hexadecimal number.

Question # 8

The binary number 101000101011 is equal to the hexadecimal number

Question # 9

The number 10000 would appear just immediately after.

Question # 10

Number 37510is equivalent in binary system to.

Question # 11

Binary number 10101101 is equivalent in decimal form to.

Question # 12

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

Question # 13

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

Question # 14

AB16+ CD16= ________

Question # 15

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

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ECAT Computer Sciences Chapter 4 Important MCQ's

Sr.# Question Answer
1 1258(octal) in decimal equivalent is equal to.
A. 8310
B. 8410
C. 8510
D. 8610
2 9710(decimal) in octal number system is equivalent to.
A. 1368
B. 1408
C. 1398
D. 1418
3 Data is represented on a computer by means of a two-state on/off system called
A. the octal system
B. the binary system
C. a word
D. ROM
4 The number A9D in Hexadecimal system is equivalent to which number in binary system.
A. 101010111101
B. 101010011101
C. 101110011101
D. 101010011111
5 Base 8 is often used in computing because.
A. there are 8 bit in a byte
B. calculations become easier by using base 8
C. electronic circuits can be made econmically
D. it can represent long strings of binary 1's an 0's in a more compact form
6 What is the octal equivalent of the binary system :10111101.?
A. 6758
B. 2758
C. 5728
D. 5738
7 Data items are generally classified into which type of codes
A. Numeric
B. Alphanumeric
C. Character
D. All of the above
8 A letter, number, or a special character is represented by a.
A. bit
B. kilobyte
C. byte
D. megabyte
9 Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.
A. 80
B. 82
C. 86
D. 84
10 Binary number 10101101 is equivalent in decimal form to.
A. 170
B. 171
C. 173
D. 174

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