Question # 1

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

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A x 100 + B x 10 + C x 1

10 x 100 + 11 x 10 + 12

10 x 16 + 11 x 16 + 12

10 x 256 + 11 x 16 + 12

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

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2727

2648

3717

2717

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

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ASCII code

binary

octal

decimal

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

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7

9

11

13

125₈(octal) in decimal equivalent is equal to.

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83₁₀

84₁₀

85₁₀

86₁₀

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

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675₈

275₈

572₈

573₈

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

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101010111101

101010011101

101110011101

101010011111

The binary number 101000101011 is equal to the hexadecimal number

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A2D

C2D

A2B

B2C

AB₁₆+ CD₁₆= ________

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101111010₂

101111000₂

101111110₂

101101000₂

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

The number 10000 would appear just immediately after.

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FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

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

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136₈

140₈

139₈

141₈

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

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analog computers

binary computers

decimal computers

micro computers

Number 375₁₀is equivalent in binary system to.

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101110101

100110101

101110111

101110011

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

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bit

kilobyte

byte

megabyte

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