Digital Computer Electronics – Section 2

6. Conversion of binary number 1100012 to its decimal number is

A. 2710
B. 4910
C. 3910
D. 5010
E. None of the above

Correct Answer:  B. 4910

7. The OR gate has two or more input signals. If any input is _____ the output is high.

A. low
B. high
C. 0
D. All of the above
E. None of the above

Correct Answer:  B. high

8. How many memory locations can 14 address bits access?

A. 16,384
B. 8,192
C. 4096
D. 14
E. None of the above

Correct Answer:  A. 16,384

9. The ASCII code is a 7-bit code for

A. letters
B. numbers
C. other symbols
D. All of the above
E. None of the above

Correct Answer:  D. All of the above

10. The EXCLUSIVE – NOR gate is equivalent to an _____ gate followed by an invertor.

A. OR
B. AND
C. NAND
D. XOR
E. None of the above

Correct Answer:  D. XOR

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