Arithmetic Operations and Circuits - General Questions

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Arithmetic Operations and Circuits - General Questions

1. 

When multiplying in binary the decimal values 13 × 11, what is the third partial product?
A. 100000
B. 100001
C. 0000
D. 1011

Answer: Option A

Explanation:

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2. 

Binary subtraction of a decimal 15 from 43 will utilize which two's complement?
A. 101011
B. 110000
C. 011100
D. 110001

Answer: Option D

Explanation:

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3. 
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:

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4. 

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:

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5. 

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:

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6. 

How many basic binary subtraction combinations are possible?
A. 4
B. 3
C. 2
D. 1

Answer: Option A

Explanation:

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7. 

How many basic binary subtraction operations are possible?
A. 4
B. 3
C. 2
D. 1

Answer: Option C

Explanation:

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8. 

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

Answer: Option C

Explanation:

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