Question # 1

The binary number 10011101 is equal to the hexadecimal number.

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9E

9F

9D

FF

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

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ASCII code

binary

octal

decimal

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

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bit

kilobyte

byte

megabyte

Base 8 is often used in computing because.

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there are 8 bit in a byte

calculations become easier by using base 8

electronic circuits can be made econmically

it can represent long strings of binary 1's an 0's in a more compact form

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

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80

82

86

84

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

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101010111101

101010011101

101110011101

101010011111

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

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7

9

11

13

The binary number 101000101011 is equal to the hexadecimal number

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A2D

C2D

A2B

B2C

125₈(octal) in decimal equivalent is equal to.

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83₁₀

84₁₀

85₁₀

86₁₀

The number 10000 would appear just immediately after.

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FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

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

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computer circuits have to handle 2 binary digits rather than 10

electronic components, by their very nature, operate in a binary mode

everything that can be done with a base of 10 can also be done in binary

all of the above

Data is represented on a computer by means of a two-state on/off system called

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the octal system

the binary system

a word

ROM

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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8 bit code

4 bit code

5 bit code

7 bit code

Number 375₁₀is equivalent in binary system to.

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101110101

100110101

101110111

101110011

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

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675₈

275₈

572₈

573₈

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