Digital Electronics - Code Converters and Multiplexers
Exercise :: Code Converters and Multiplexers - General Questions
| 6. |
What is the function of an enable input on a multiplexer chip? |
| A. |
to apply Vcc | | B. |
to connect ground | | C. |
to active the entire chip | | D. |
to active one half of the chip |
Answer: Option C
Explanation:
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| 7. |
The expansion inputs to a comparator are used for expansion to a(n): |
| A. |
4-bit system | | B. |
8-bit system | | C. |
BCD system | | D. |
counter system |
Answer: Option B
Explanation:
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| 8. |
What do the mathematical symbols A < b and A > B mean? |
| A. |
A < B means A is greater than B. A > B means A is less than B. | | B. |
A > B means A is less than B. A < B means A is greater than B. | | C. |
A < B means A is less than B. A > B means A is greater than B. |
Answer: Option C
Explanation:
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| 9. |
A basic multiplexer principle can be demonstrated through the use of a: |
| A. |
single-pole relay | | B. |
DPDT switch | | C. |
rotary switch | | D. |
linear stepper |
Answer: Option C
Explanation:
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| 10. |
How many inputs will a decimal-to-BCD encoder have? |
Answer: Option C
Explanation:
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