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WorksheetsENT116 Quiz 5%
Total questions: 11
Worksheet time: 2hrs 15mins
This ANSI distinctive symbol is equivalent to
No correct answer
Determine the output of an exclusive-OR gate for the following input conditions A=1, B=1
0
1
10
no answer
The logic expression for the truth table is
No correct answer
If the inputs of an exclusive-OR gate are the same,
the output is LOW (0)
the output is HIGH (1)
NOR gates cannot be used to produce the OR functions
False
True
Determine the sum ( Σ ) and the output carry (Cout) of a half-adder for input bits: 1 1
Σ = 0 , Cout = 0
Σ = 0, Cout = 1
Σ = 1 , Cout = 0
Σ = 1 , Cout = 1
No correct answer
A 3-bit parallel adder can add
three 2-bit binary numbers
two 3-bit binary numbers
three bits at a time
three bits in sequence
No correct answer
If a 74HC85 magnitude comparator has
A = 1000 and B = 1010,
the outputs are
A > B = 0, A < B = 0, A = B = 0
A > B = 0, A < B = 0, A = B = 1
A > B = 0, A < B = 1, A = B = 0
A > B = 0, A < B = 1, A = B = 1
No correct answer
Basic function of a decoder is to detect the presence of a specified combinations of bits (code) on its inputs and to indicate the presence of that code by a specified output level.
True
False
In general, a multiplexer has
one data input, several data outputs, and selection inputs
one data input, one data output, and one selection input
several data inputs, several data outputs, and selection inputs
several data inputs, one data output, and selection inputs
No correct answer
For the multiplexer above, determine the output Y for the following input states:
D0=1, D1=0, D2=0, D3=1, S0=0, S1=1
