Computer Science - Digital Computer Electronics

46. 

Conversion of an octal number 1108 to its decimal number is

A. 7010
B. 7210
C. 7310
D. 11010
E. None of the above

Answer: Option B

Explanation:

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47. 

Computer ICs work reliably because they are based on _____ design.

A. Top-bottom
B. System
C. Two-stage
D. Two-states
E. None of the above

Answer: Option D

Explanation:

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48. 

The maximum count which a 6-bit binary word can represent is

A. 36
B. 64
C. 63
D. 65
E. None of the above

Answer: Option C

Explanation:

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49. 

A half-adder is also known as:

A. AND circuit
B. NAND circuit
C. NOR circuit
D. EX-OR circuit
E. None of the above

Answer: Option D

Explanation:

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50. 

Why are digital circuits easier to design than analog circuits?

A. they do not control electricity precisely over a wide range
B. they are made in the form of ICs
C. all elements of digital circuit are from the same family
D. they are smaller in size
E. None of the above

Answer: Option A

Explanation:

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