Department of ICT
Computer Science
National 4
Homework Booklet
Computer Hardware 1
1
What is Hardware?
1
2
What is a device?
1
3
What does a typical computer system consist of?
5
4
Copy and fill in the diagram below:
3
MAIN
MEMORY
PROCESSOR
Total 10
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Computer Hardware 2
1
2
Main Memory is split into RAM and ROM.
a)
What does RAM stand for?
1
b)
What does ROM stand for?
1
c)
What is main memory used for?
1
State if the following statements refer to RAM or ROM:
a)
Contents are lost when the computer is switched off.
1
b)
Programs are stored permanently.
1
3
What is a bit?
1
4
What does bit stand for?
1
5
How many bits are in a byte?
1
6
How many bytes are there in a kilobyte?
1
7
Which is the largest,1Mb or 1Tb?
1
Total 10
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Computer Hardware 3
1
Place the following memory sizes in the correct order. Start with the smallest
first.
3
Place the numbers 1 – 4 in the correct boxes.
1 = smallest 4 = largest
Gigabyte
Kilobyte
Megabyte
Terabyte
2
What is the speed at which the processor carries out instructions measured
in?
1
3
What is an input device?
1
4
State two input devices.
2
5
What is an output device?
1
6
State two output devices.
2
Total 10
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Computer Hardware 4
1
Rebekkah is planning a trip hunting crocodiles in the Nile. She wants to
record images and sound from her expedition.
State two input devices that she would need.
2
3
4
5
2
Match the following words with the statements below.
CD–ROM drive trackpad
mouse
printer
monitor
keyboard
DVD–ROM drive
a)
An output device that produces a paper copy.
1
b)
An input device used to input text.
1
c)
An input device used on a laptop instead of a mouse.
1
Name a common output device that uses a pen to produce a hardcopy in a
CAD sytem.
1
Name a device used to deliver a multimedia presentation onto a smart
board.
1
David has just bought a computer system. The following hardware comes
with the computer.
Printer
joystick
plotter
trackpad
graphics tablet
Put the input and output devices under the correct heading.
Each word can be used only once.
INPUT
4
OUTPUT
Total 10
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Computer Hardware 5
1
2
3
The local high school wants a paper copy of the tuckshop sales. What
output device should they use?
1
Give one reason why you would choose a:
a) Inkjet printer
1
b)
1
Laser printer
The computers in the community centre have LCDs which use TFT
technology.
a)
What do the initials LCD stand for?
1
b)
What do the initials TFT stand for?
1
4
What is backing storage and why is it needed?
2
5
Storage Devices can be built-in, external and portable. What is meant by
an external device?
1
State two backing storage devices.
2
6
Total 10
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Computer Hardware 6
1
Give 1 example of:
a) A magnetic backing storage medium
1
b) A optical backing storage medium
1
Put the following in order of capcity starting with the smallest capacity: BluRay, CD-ROM, Magnetic Hard Disk, DVD-RW
2
3
What is the difference between a CD-R and a CD-RW?.
2
4
Give 2 examples of what CDs more suitable for storing?
2
5
What does DVD stand for?
1
6
Blu-Ray disks are the most expensive of optical disks to date. Why are
they more expensive?
1
2
Total 10
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Hardware & Software Requirements
1
When does the operating system run?
1
2
What is the purpose of the operating system?
1
3
When buying a game for you PC or any software, you need to look at the
minimum system requirements.
What does it mean by minimum system requirements?
4
2
The image below states the system requirements for a piece of software
Using the system requirements above identify:
a) The operating system
1
b) The processor speed
1
c) The capacity of RAM
1
d) The capacity of the hard disk
1
e) The input devices required
2
Total 10
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Page 8
LR May 2012
Local Area Network/Wide Area Network 1
1
What is a network?
1
2
State two types of networks?
2
3
Describe the difference between the two networks.
2
4
a) Caitlin's computer is connected to the World Wide Web (WWW).
Which type of network is this LAN or WAN?
1
b) Caitlin also uses a network in school.
State two disadvantages to the school of using stand-alone machines
instead of a network.
5
2
b) Which type of network are the school computers connected to?
1
State one advantage of a Local Area Network.
1
Total 10
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Local Area Network/Wide Area Network 2
1
Name two ways that each computer on the network can be connected
together.
2
2
Name two types of cable.
2
3
a) What are Bluetooth and Wifi methods of?
1
b) What does Wifi stand for?
1
The ferry to Millport has a wireless Local Area Network.
State one advantage of using wireless technology.
1
5
What is the most popular use of a Wide Area Network ?
1
6
State one telecommunications links used in a WAN.
1
7
The library is connected to all the libraries in the country.
4
What type of network is this?
1
Total 10
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LR May 2012