# Computer Science - Digital Computer Electronics

### Exercise :: Digital Computer Electronics - Section 5

26.

How many bytes are there in 1011 1001 0110 1110 numbers?

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

Explanation:

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27.

Consider as RS flip-flops with both inputs set to 0. If a momentary '1' is applied at the input S, then the output

 A. Q will flip from 0 to 1 B. Q will flip from 0 to 1 and then back to 0 C. Q will flip from 0 to 1 D. Q will flip from 0 to 1 and then back to 0 E. None of the above

Explanation:

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28.

Which of the following logic expression is wrong?

 A. 1 + 0=1 B. 1 + 1=0 C. 1+0+1 = 1 D. 1 + 1 + 1 = 1 E. None of the above

Explanation:

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29.

Subtraction of 1001011002 from 11101010102 is

 A. 10010111102 B. 01101000012 C. 11110000012 D. 11110111112 E. None of the above

Explanation:

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30.

Addition of 1101012 and 1011112 is

 A. 11001002 B. 11010002 C. 11101112 D. 1100112 E. None of the above