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Digital Electronics - Digital Concepts

Exercise : Digital Concepts - General Questions
21.
In positive logic, ________.
a HIGH = 1, a LOW = 0
a LOW = 1, a HIGH = 0
only HIGHs are present
only LOWs are present
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Convert the fractional binary number 0000.1010 to decimal.
0.625
0.50
0.55
0.10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Digital representations of numerical values of quantities may BEST be described as having characteristics:
that are difficult to interpret because they are continuously changing.
that vary constantly over a continuous range of values.
that vary in constant and direct proportion to the values they represent.
that vary in discrete steps in proportion to the values they represent.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
A common instrument used in troubleshooting a digital circuit is a(n) ________.
logic probe
oscilloscope
pulser
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The parallel transmission of digital data:
is much slower than the serial transmission of data.
requires only one signal line between sender and receiver.
requires as many signal lines between sender and receiver as there are data bits.
is less expensive than the serial method of data transmission.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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