WorksheetsComputer system architecture
Total questions: 10
Worksheet time: 9mins
The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.
binary
decimal
hexadecimal
All of the above
An OR gate can be imagined as
switches connected in series.
switches connected in parallel
MOS transistors connected in series
All of the above
A NOR gate has two or more input signals. All input must be _____ to get a high output
low
highC
1'sD
some low some high
Which of the following expressions is in the sum-of-products (SOP) form?
(A + B)(C + D)
(A)B(CD)
AB(CD)
AB + CD
From the truth table above , determine the standard SOP expression.
A'B'C' + ABC+AB'C
ABC + ABC + ABC
A'B'C + A'BC + ABC'
AB'C + A'BC + ABC'
n Boolean algebra, A + 1 = 1.
True
False
In Boolean algebra, A+AB= A.
True
False
A Karnaugh map is similar to a truth table because it presents all the possible values of input variables and the resulting output of each value.
True
False
By applying De Morgan's theorem to a NOR gate, two identical truth tables can be produced.
True
False
How many gates would be required to implement the following Boolean expression before simplification? XY + X(X + Z) + Y(X + Z)
1
2
4
5
