WorksheetsHow Computers Work
Total questions: 22
Worksheet time: 17mins
A MOSFET stands for (a) (b) (c) Field Effect Transistor
Is this N-MOSFET open or closed?
Open
Closed
Is this P-MOSFET open or closed?
Open
Closed
What is a transistor?
An electric switch
A light bulb
A virus
A battery
What is this boolean operator?
AND
OR
XOR
Inverter
Which boolean operator returns true if both inputs are true?
AND
OR
XOR
NAND
Which boolean operator returns true if only one input is true?
AND
OR
XOR
NOR
What is the output of the boolean operator NOT when applied to a true input?
True
False
Undefined
Error
What is z when x = 1 and y = 0?
0
1
What is z when x = 0 and y = 0?
0
1
Label these logic gates.
Inverter
ADD
OR
What base is a bit represented in?
1
2
5
10
What is 1101 (base 2) in base 10?
6
9
13
26
What is 110 + 101 in base 2?
211
1000
1111
1011
Match the following base 2 numbers with their base 10 equivalents.
110
6
10
2
1
1
1010
10
1100
12
How many combinations of binary inputs X, Y, and Z are possible?
Hint: Imagine a truth table with these 3 columns.
2
4
8
9
A = 1
B = 0
C = 1
1
0
Shift 1001 to the right once.
(a)
Shift 0011 to the left by 2 bits.
(a)
An ALU is the part of the central processing unit (CPU) that carries out (a) and (b) operations.
What is computer memory called?
(a)
How many times will "hi!" be printed?
0
1
2
3
