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 hexadecimal number system is widely used in analyzing and programming in.

Question # 2

1258(octal) in decimal equivalent is equal to.

Question # 3

Data items are generally classified into which type of codes

Question # 4

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

Question # 5

The digits used for hexadecimal number system are.

Question # 6

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

Question # 7

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

Question # 8

Binary number 10101101 is equivalent in decimal form to.

Question # 9

9710(decimal) in octal number system is equivalent to.

Question # 10

Base 8 is often used in computing because.

Question # 11

The number 10000 would appear just immediately after.

Question # 12

Number 37510is equivalent in binary system to.

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Computer Sciences Chapter 4 Important MCQ's

Sr.# Question Answer
1 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
2 Number 37510is equivalent in binary system to.
A. 101110101
B. 100110101
C. 101110111
D. 101110011
3 The hexadecimal number system is widely used in analyzing and programming in.
A. analog computers
B. binary computers
C. decimal computers
D. micro computers
4 1258(octal) in decimal equivalent is equal to.
A. 8310
B. 8410
C. 8510
D. 8610
5 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
6 Data items are generally classified into which type of codes
A. Numeric
B. Alphanumeric
C. Character
D. All of the above
7 AB16+ CD16= ________
A. 1011110102
B. 1011110002
C. 1011111102
D. 1011010002
8 The reason why computers have been designed to use binary numbers is.
A. computer circuits have to handle 2 binary digits rather than 10
B. electronic components, by their very nature, operate in a binary mode
C. everything that can be done with a base of 10 can also be done in binary
D. all of the above
9 Four-digit binary number 1011 is represented in the decimal system by.
A. 7
B. 9
C. 11
D. 13
10 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

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