# Computer Science - Digital Computer Electronics

### Exercise :: Digital Computer Electronics - Section 3

1.

A binary adder is a logic circuit that can add _____ binary numbers at a time.

 A. Hundreds B. Thousands C. One D. Two E. None of the above

Answer: Option D

Explanation:

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2.

A half-adder adds _____ bits

 A. 16 B. 8 C. 10 D. 2 E. None of the above

Answer: Option D

Explanation:

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3.

The 2764 is 65,536-bit EPROM organized as 8,192 words of 8 bits each. How many address lines does it have?

 A. 12 B. 14 C. 13 D. 8 E. None of the above

Answer: Option C

Explanation:

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4.

What does 4k represent?

 A. 4000 B. 4096 C. 40 D. 400 E. None of the above

Answer: Option B

Explanation:

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5.

Conversion of decimal number 4210 to it's octal number equivalent is

 A. 578 B. 428 C. 478 D. 528 E. None of the above

Answer: Option D

Explanation:

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