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WorksheetsHow Computers Work
Total questions: 45
Worksheet time: 24mins
Name
Class
Date
1.
What does RAM stand for?
a)
Random All Memory
b)
Read All Memry
c)
Random Access Memory
d)
Read Access Memory
2.
What does CPU stand for?
a)
Central Processor Unit
b)
Central Processing Unit
c)
Central Process Unit
d)
Command Processing Unit
3.
The CPU is attached to the... inside the computer
a)
RAM
b)
Motherboard
c)
Hard Drive
d)
Secondary Storage Device
4.
What are the physical components of a computer system called?
a)
Hardware
b)
Desktop
c)
Devices
d)
Peripherals
5.
What are the programs that run on a computer system called?
a)
Algorithms
b)
Code
c)
Software
d)
Languages
6.
What are the programs that run on a computer system called?
a)
Algorithms
b)
Code
c)
Software
d)
Languages
7.
What are the chips inside a computer that temporarily hold all the programs and data currently being used?
a)
Random Access Memory (RAM)
b)
Read Only Memory (ROM)
c)
Hard Disk
d)
Hard Drive
8.
What does GB stand for?
a)
Gigabyte
b)
Giantbyte
c)
Giagabyte
d)
Giggabyte
9.
The most widely used operating system for personal computers is ________.
a)
Mac OS X
b)
Facebook
c)
Microsoft Windows
d)
Ubuntu Linux
10.
The main circuit board in a computer is called the ________.
a)
RAM
b)
dongle
c)
motherboard
d)
power supply unit
11.
mobile operating system developed by Apple
a)
AOS
b)
EOS
c)
UOS
d)
IOS
12.
Which of the following companies is known for manufacturing computer processors?
a)
CPU
b)
Intel
c)
Sony
d)
Corel
13.
In order to connect your computer to the Internet with a modem, your computer will have to have a(n) ________ port
a)
HDMI
b)
USB
c)
Headphone
d)
Ethernet
14.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
15.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
16.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
17.
What is the denary number system?
a)
It counts the number of dens
b)
Our usual base 10 number system
c)
A special number system for computers
d)
Den Ary's number system
18.
What is the point of binary?
a)
It represents how computers interpret electrical signals
b)
Because we like to make you do extra maths ;-D
c)
For the lulz
d)
Because it describes star systems
19.
What is 12 in binary?
HINT: It has an 8 and a 4 in it!
HINT: It has an 8 and a 4 in it!
a)
12
b)
11
c)
1100
d)
1011
20.
What is 1011 in denary?
a)
11
b)
14
c)
26
d)
1011
21.
What is 0101 + 1010?
HINT:
1 + 0 = 1
0 + 1 = 1
1 + 1 = 10
HINT:
1 + 0 = 1
0 + 1 = 1
1 + 1 = 10
a)
1111
b)
2020
c)
146.6
d)
?
22.
What are Pixels used to store in computers?
a)
Images
b)
Numbers
c)
Letters
d)
Animals
23.
How many Bits make up a Byte?
a)
2
b)
4
c)
6
d)
8
24.
A pixel is the _______ part of an image.
a)
Smallest
b)
Largest
25.
Which is larger
?
?
a)
Bit
b)
Byte
26.
The binary digits 0 and 1 are each called a bit.
a)
True
b)
False
27.
How many bits are in a byte?
a)
2
b)
8
c)
10
d)
10,000
28.
Bit
a)
short for binary digit
b)
8 bits as well (less used)
c)
8 bits
d)
Four bits (Half a byte)
29.
Byte
a)
short for binary digit
b)
8 bits as well (less used)
c)
8 bits
d)
Four bits (Half a byte)
30.
Nibble
a)
short for binary digit
b)
8 bits as well (less used)
c)
8 bits
d)
Four bits (Half a byte)
31.
Kilobyte
a)
Measured in bytes
b)
Approximately 1 million bytes
c)
Approximately 1 billion bytes
d)
Approximately 1000 bytes
32.
Megabyte
a)
Measured in bytes
b)
Approximately 1 million bytes
c)
Approximately 1 billion bytes
d)
Approximately 1000 bytes
33.
Gigabyte
a)
Measured in bytes
b)
Approximately 1 million bytes
c)
Approximately 1 billion bytes
d)
Approximately 1000 bytes
34.
Terabyte
a)
Approximately 1 quadrillion bytes
b)
8 bit coding of english letter characters
c)
a billion cycles per second. (Unit of electronic speed)
d)
Approximately 1 trillion bytes
35.
Petabyte
a)
Approximately 1 quadrillion bytes
b)
8 bit coding of english letter characters
c)
a billion cycles per second. (Unit of electronic speed)
d)
Approximately 1 trillion bytes
36.
What does WAN stand for?
a)
Wide Area Network
b)
World Area Network
c)
Wide Arena Network
d)
World Arena Network
37.
What is an advantage of a LAN?
a)
You can save money by sharing peripherals like printers.
b)
It is limited to a small area.
c)
Can cover near infinite geographical distance.
d)
Expensive to setup.
38.
LAN stands for?
a)
Local Area Network
b)
Local Area Name
c)
Little Area Network
d)
Local Art Network
39.
The term capacity refers to
a)
the amount of data you can store on the device
b)
how shiny the device is
c)
how easily you can damage the device
d)
the speed of the device
40.
The term durability refers to
a)
how easily you can damage the device
b)
the speed of the device
c)
the amount of data you can store on the device
d)
how shiny the device is
41.
The term portability refers to
a)
how easy it is to carry around/transport the device
b)
the speed of the device
c)
the amount of data you can store on the device
d)
how shiny the device is
42.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
43.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
44.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
45.
It is an example of optical storage:
a)
Magnetic tape
b)
USB memory stick
c)
Blu-ray disks
d)
HDD
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