Code Converters and Multiplexers - General Questions

Directions to Solve

Code Converters and Multiplexers - General Questions

How many select lines would be required for an 8-line-to-1-line multiplexer?

A.	2
B.	3
C.	4
D.	8

Answer: Option B

Explanation:

No answer description available for this question.

How many 74184 BCD-to-binary converters would be required to convert two complete BCD digits to a binary number?

A.	8
B.	4
C.	2
D.	1

Answer: Option C

Explanation:

No answer description available for this question

If two inputs are active on a priority encoder, which will be coded on the output?

A.	the higher value
B.	the lower value
C.	neither of the inputs
D.	both of the inputs

Answer: Option A

Explanation:

No answer description available for this question

How can the active condition (HIGH or LOW) or the decoder output be determined from the logic symbol?

A.	A bubble indicates active-HIGH.
B.	A bubble indicates active-LOW.
C.	A square indicates active-HIGH.
D.	A square indicates active-LOW.

Answer: Option B

Explanation:

No answer description available for this question

In a BCD-to-seven-segment converter, why must a code converter be utilized?

A.	to convert the 4-bit BCD into 7-bit code
B.	to convert the 4-bit BCD into 10-bit code
C.	to convert the 4-bit BCD into Gray code
D.	No conversion is necessary.

Answer: Option A

Explanation:

No answer description available for this question

A truth table with output columns numbered 0–15 may be for which type of decoder IC?

A.	hexadecimal 1-of-16
B.	dual octal outputs
C.	binary-to-hexadecimal
D.	hexadecimal-to-binary

Answer: Option A

Explanation:

No answer description available for this question.

A binary code that progresses such that only one bit changes between two successive codes is:

A.	nine's-complement code
B.	8421 code
C.	excess-3 code
D.	Gray code

Answer: Option D

Explanation:

No answer description available for this question.

When two or more inputs are active simultaneously, the process is called:

A.	first-in, first-out processing
B.	priority encoding
C.	ripple blanking
D.	first-in, first-out processing or priority encoding

Answer: Option C

Explanation:

No answer description available for this question

Code Converters and Multiplexers - General Questions

Code Converters and Multiplexers - General Questions

Questions & Answers

Interviews

Jobs

Results

Admission

Admit Card

Answer Key