Digital Computer Electronics - CSE Questions and Answers

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The number of input words in a truth table always equals _____ where n is the number of inputs bits.

10ⁿ

2ⁿ

4ⁿ

8ⁿ

None of the above

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Conversion of decimal number 61₁₀ to it's binary number equivalent is

111101₂

111100₂

110011₂

001101₂

None of the above

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Multiplication of 47₈ by 52₈ is

(3144)₈

(4147)₈

(3146)₈

(3184)₈

None of the above

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Which of the following boolean algebra statements represent commutative law

(A+B)+CA+(B+C)

A.(B+C)(A.B)+(A.C)

A+BB+A

A+AA

None of the above

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Binary-Coded-decimal (BCD) numbers express each digit as a _____

byte

nibble

bit

All of the above

None of the above

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Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

latch

clock

master

slave

None of the above

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Conversion of decimal number 93₁₀ to hexadecimal number is

2D₁₆

5D₁₆

62₁₆

31₁₆

None of the above

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Conversion of decimal number 99₁₀ to it's octal number equivalent is

121₈

143₈

124₈

119₈

None of the above

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The 2's compliment of binary number 0.01011 is:

1.10101

0.10101

1.10100

0.10100

None of the above