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Digital Electronics - MSI Logic Circuits

Exercise : MSI Logic Circuits - General Questions
16.

Referring to the figure given below, what output code will appear on the output (A3,A2,A1,A0) when the 5 key is pressed?

1010
0101
1101
1011
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.

What type of device is shown in the given figure, and what inputs (A3,A2,A1,A0) are required to produce the output levels as shown?

A binary-to-decimal encoder; 0,1,1,1
A decimal-to-binary decoder; 1,1,1,0
A BCD-to-decimal decoder; 0,1,1,1
A decimal-to-BCD encoder; 1,1,1,0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
What are the outputs of a 7485 four-bit magnitude comparator when the inputs are A = 1001 and B = 1010?
A < B is 1
A = B is 0
A > B is 1
A < B is 0
A = B is 1
A > B is 0
A < B is 0
A = B is 0
A > B is 1
A < B is 1
A = B is 0
A > B is 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.

Determine the correct output for the multiplexer and its associated timing diagram given below.

Ya
Yb
Yc
Yd
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which is the decimal number for the BCD number, 10110110?
182
36
116
10110110 is not a valid BCD number.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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