Combinational Logic Flashcards
1
Q
A logic block that has an n-bit input and 2^n outputs, where only one output is asserted for each input combination?
A
Decoder
2
Q
Most common type of decoder has an:
(a) n^2-bit input
(b) 2n outputs
(c) n-bit input
(d) 2^n outputs
A
c, d
3
Q
(i) performs the inverse function of a decoder
(ii) taking 2n inputs and producing an n-bit output
A
Encoder
4
Q
Multiplexor might more properly be called a
A
Selector
5
Q
Why is a multiplexor also called a selector?
A
Its output is one of the inputs that is selected by a control.
6
Q
Selector value also called
A
Control value
7
Q
The control signal that is used to select one of the input values of a multiplexor as the output of the multiplexor.
A
Selector value
