# Electronics - Arithmetic Operations and Circuits

### Exercise :: Arithmetic Operations and Circuits - General Questions

6.

How many basic binary subtraction operations are possible?

 A. 4 B. 3 C. 2 D. 1

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

7.

How many basic binary subtraction combinations are possible?

 A. 4 B. 3 C. 2 D. 1

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

8.

Use the two's complement system 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

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

9.

The selector inputs to an arithmetic-logic unit (ALU) determine the:

 A. selection of the IC B. arithmetic or logic function C. data word selection D. clock frequency to be used

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

10.

Adding in binary, the decimal values 26 + 27 will produce a sum of:

 A. 111010 B. 110110 C. 110101 D. 101011

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

#### Current Affairs 2021

Interview Questions and Answers