Digital Computer Electronics - Section 1 (1)

1.

A NOR gate has two or more input signals. All input must be _____ to get a high output

A.	low
B.	high
C.	some low some high
D.	1's
E.	None of the above

Answer: Option A

Explanation:

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2.

Conversion of decimal number 67₁₀ to it's octal number equivalent is

A.	100 8
B.	103 8
C.	109 8
D.	99 8
E.	None of the above

Answer: Option B

Explanation:

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3.

Which of the following flip-flops is free from race around problem?

A.	T flip-flop
B.	SR flip-flop
C.	master slave JK flip-flop
D.	All of the above
E.	None of the above

Answer: Option C

Explanation:

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4.

Conversion of decimal number 71₁₀ to it's binary number equivalent is

A.	110011 2
B.	1110011 2
C.	0110011 2
D.	1000111 2
E.	None of the above

Answer: Option D

Explanation:

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5.

The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

A.	decimal
B.	hexadecimal
C.	binary
D.	All of the above
E.	None of the above

Answer: Option C

Explanation:

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6.

Which of the following logic families has the highest noise immunity?

A.	RTL
B.	DTL
C.	TTL
D.	HTL
E.	None of the above

Answer: Option D

Explanation:

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7.

With a NAND latch a low R and a low S produce a _____ condition.

A.	race
B.	set
C.	reset
D.	no change
E.	None of the above

Answer: Option A

Explanation:

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8.

The binary number 1100 0101 has _____ bytes

A.	1
B.	2
C.	4
D.	8
E.	None of the above

Answer: Option A

Explanation:

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