Digital Computer Electronics MCQ Questions & Answers

1

What is the ASCII code for T?

A) 1010100 B) 1011010 C) 1011100 D) 1011111 E) None of the above

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Answer & Solution

Answer: Option A

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2

Express 8192 in K units.

A) 8 x 10³ K B) 8.192 k C) 8K D) All of the above E) None of the above

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Answer & Solution

Answer: Option C

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3

The functional capacity for LSI devices is

A) 1 to 11 gates B) 12 to 99 gates C) 100 to 10,000 gates D) more than 10,000 gates E) None of the above

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Answer & Solution

Answer: Option C

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4

What is the 2's-complement representation of -24 in a 16-bit microcomputer?

A) 0000 0000 0001 1000 B) 1111 1111 1110 0111 C) 1111 1111 1110 1000 D) 0001 0001 1111 0011 E) None of the above

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Answer & Solution

Answer: Option C

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5

Which gates is known as universal gate?

A) NOT gate B) AND gate C) NAND gate D) XOR gate E) None of the above

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Answer & Solution

Answer: Option C

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6

_____is an abbreviation for binary digit.

A) 0 and 1 B) bingit C) base D) bit E) None of the above

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Answer & Solution

Answer: Option D

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7

Conversion of hexadecimal number 1D7F₁₆ to a decimal number is

A) 7551₁₀ B) 8771₁₀ C) 5557₁₀ D) 7781₁₀ E) None of the above

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Answer & Solution

Answer: Option A

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8

An inventor is a gate with only _____ input; the output is always in the opposite state from the input

A) one B) two C) more than one D) All of the above E) None of the above

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Answer & Solution

Answer: Option A

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9

Parallel adders are

A) combinational logic circuits B) sequential logic circuits C) both of the above D) All of the above E) None of the above

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Answer & Solution

Answer: Option A

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10

A microcomputer is a computer that uses a _____ for its CPU.

A) chips B) registers C) microprocessor D) vacuum tube E) None of the above

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Answer & Solution

Answer: Option C

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Digital Computer Electronics MCQ Questions & Answers | Computer Science