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

Correct Answer:  D. Two

2. A half-adder adds _____ bits

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

Correct Answer:  D. 2

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

Correct Answer:  C. 13

4. What does 4k represent?

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

Correct Answer:  B. 4096

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

Correct Answer:  D. 528

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