Digital Electronics - Signals and Switches

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Exercise : Signals and Switches - General Questions
1.
Why does the TTL family use a totem-pole circuit on the output?
It provides active pull-up.
It provides active pull-down.
It provides active pull-up and active pull-down.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
What is the frequency of a clock waveform if the period of that waveform is
1.25 s?
8 kHz
0.8 kHz
0.8 MHz
8 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.

Why is the given circuit called an inverter?

The output is the opposite (inverse) of the input.
The output is in phase with the input.
The output is the same as the input.
There is no output.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The hexadecimal number 4B16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz?
444 ns
444 s
3.55 s
3.55 ms
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Internally, a computer's binary data are almost always transmitted on parallel channels, commonly referred to as the:
parallel bus
serial bus
data bus
memory bus
Answer: Option
Explanation:
No answer description is available. Let's discuss.