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Electronics - Arithmetic Operations and Circuits

Exercise

"Actions speak louder than words."
- (Proverb)
1.

When 1100010 is divided by 0101, what will be the decimal remainder?

 A. 2 B. 3 C. 4 D. 6

2.

What are the two types of basic adder circuits?

3.

Adding the two's complement of –11 + (–2) will yield which two's complement answer?

 A. 1110 1101 B. 1111 1001 C. 1111 0011 D. 1110 1001

4.

The two's complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

 A. –14 and –13; –27 B. –113 and –114; 227 C. –27 and –13; 40 D. –11 and –16; –27

5.

The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:

 A. increase ripple delay B. add a 1 to complemented inputs C. reduce propagation delay D. determine sign and magnitude