Digital Electronics - Digital Arithmetic Operations and Circuits
Exercise :: Digital Arithmetic Operations and Circuits - General Questions
46. |
Convert the decimal numbers 275 and 965 to binary-coded decimal (BCD) and add. Select the BCD code groups that reflect the final answer. |
A. |
1101 1110 1010 | B. |
1110 1010 1110 | C. |
0001 0010 0100 0000 | D. |
0010 0011 0100 0000 |
Answer: Option C
Explanation:
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47. |
When multiplying 13 × 11 in binary, what is the third partial product? |
Answer: Option B
Explanation:
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48. |
How many BCD adders would be required to add the numbers 97310 + 3910? |
Answer: Option A
Explanation:
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49. |
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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50. |
What is wrong, if anything, with the circuit in the given figure based on the logic analyzer display accompanying the circuit?

|
A. |
The CO terminal is shorted to ground. | B. |
The S1 output is shorted to Vcc. | C. |
The P1 input is not being added into the total. | D. |
Nothing is wrong; the circuit is functioning correctly. |
Answer: Option C
Explanation:
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