1. . Which of the following is not a multiplexer?
(A) 4 into 1
(B) 8 into 1
(C) 1 into 4
(D) 16 into 1
2. . Which of the following have more inputs than outputs?
(A) Encoder
(B) MUX
(C) De-MUX
(D) Both b & c
3. . It can be used in parallel-to-serial conversion.
(A) None
(B) Decoder
(C) BCD
(D) MUX
4. . It can produce a binary code at its output.
(A) Decoder
(B) Encoder
(C) MUX
(D) BCD
5. . Following one is an example of 3 line-to-8 line or binary to octal.
(A) Decoder
(B) Encoder
(C) Multiplexer
(D) All of these
6. . The _________ seven segment display use seven individual.
(A) LED
(B) LRT
(C) LET
(D) None
7. . Binary coded decimal is a combination of.
(A) 2 binary digit
(B) 3 binary digit
(C) 5 binary digit
(D) 4 binary digit
8. . Add the two BCD numbers: 1001 + 0100 = ?
(A) 10101111
(B) 01010000
(C) 00010011
(D) 00101011