Pages in this set

Page 1

Preview of page 1
Cambridge Nationals in ICT
Unit 1 (R001) Revision Notes




Name: ______________________
Class: ______________________




Exam Questions at the back of this Booklet
(Other revision resources can be found on the school website)

Issue Dec 2013

Page 2

Preview of page 2
Contents
Features and Purposes of Computing Devices ................................................................................................................. 3
Input Devices................................................................................................................................................................. 3
Other Input Devices: Sensors ........................................................................................................................................ 4
Output Devices.............................................................................................................................................................. 4
Operating Systems ............................................................................................................................................................ 5
Utility Software ............................................................................................................................................................. 6
Storage and Connectivity Devices ..................................................................................................................................... 8
Office Configurations .................................................................................................................................................... 9
Connectivity .................................................................................................................................................................... 11
Connecting to Wi Fi ..................................................................................................................................................... 12
Monitoring Employees…

Page 3

Preview of page 3
Features and Purposes of Computing Devices
Lots of different people use lots of different devices to access IT. It depends on all sorts of things which one you use.

Item Features Purpose
Large screen Business people to use in multiple
Full keyboard locations.
Touchpad mouse Students to use between home/college.…

Page 4

Preview of page 4
Other Input Devices: Sensors
There are other input devices. The ones mentioned on the previous page are all manual; that means the user has to
use them to get data in.

But what if it is not convenient? For example what if you needed to measure temperature in a volcano?…

Page 5

Preview of page 5
Operating Systems
An operating system is what every computing device has to have. It allows us to interact (use) a computer. Without
it, your computer would just be plastic and metal. It controls everything the computer does.

An operating system (or OS) is a computer program which controls everything the…

Page 6

Preview of page 6
There are lots of different operating systems which you need to know about. Here they are...

Operating
Devices Features Purpose
System
Windows, Icons, Menus Pointers
Start Menu Can run a wide range of software:
Desktop PC Customisable background, icons. Business ­ E.g. to use Office
Laptop windows files, folders. Personal…

Page 7

Preview of page 7
Item Definition / Meaning Why needed / used
A firewall is a piece of software which To prevent nasty spyware or hackers trying to
controls what information comes in to get in to your computer.
Firewall your computer and also what leaves your To stop viruses which may infect your…

Page 8

Preview of page 8
Storage and Connectivity Devices
Media / Main Features Who would use it & what for (be specific)
Connectivity
Large capacity Used in mobile phones, tablets and digital
Cheap cameras for storing pictures, applications, videos
Small and portable etc.
Memory Cards
Connects to an internet Used to connect a physical place…

Page 9

Preview of page 9
Office Configurations
People with various impairments may need help when accessing IT systems. Lots of technology exists which would
help them.

Braille Keyboards A way for blind people to be able to use touch to
recognise keys on the keyboard and type.


Microphone input Give voice commands to a computer…

Page 10

Preview of page 10
Factors Affecting Choice of System
When you are choosing what kind of computer to buy in a business you need to think about a few different things.
Otherwise, the computer you may spend a lot of money on, may not actually be fit for purpose or be unusable by
the…

Comments

No comments have yet been made

Similar ICT resources:

See all ICT resources »See all resources »