Question # 1

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

The number 10000 would appear just immediately after.

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FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

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

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7

9

11

13

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

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2727

2648

3717

2717

AB₁₆+ CD₁₆= ________

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101111010₂

101111000₂

101111110₂

101101000₂

Binary number 10101101 is equivalent in decimal form to.

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170

171

173

174

The binary number 10011101 is equal to the hexadecimal number.

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9E

9F

9D

FF

125₈(octal) in decimal equivalent is equal to.

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83₁₀

84₁₀

85₁₀

86₁₀

Number 375₁₀is equivalent in binary system to.

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101110101

100110101

101110111

101110011

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ECAT Computer Science Chapter 4 Computer Arithmetic & Number System Online Test MCQs With Answers

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