Which kind of computer?

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21 Νοε 2013 (πριν από 3 χρόνια και 7 μήνες)

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Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

This presentation will cover the
following topic:


Which kind of computer?

Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Which kind of computer?

Desktop

Laptop

Notebook

Netbook

PDA

A portable computer
that carries out the
same functions as a
desktop but in a
compact version that
is light enough to
carry around.

These are
designed for
regular use in
one location.

Similar to a
laptop but
even more
compact. The
name comes
from its small
size.

Designed mainly for
wireless
communication via
email, messaging and
access to the
Internet.

A portable device
that is small enough
to hold in the palm of
a hand. It allows data
to be exchanged with
computers.

Move the definitions in the boxes so they match the correct device

Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Which kind of computer?

Look at the statements below. Decide if each statement refers to desktop or portable computers and enter the number of the
statement in the correct column. In the +/
-

columns, add a + sign for a positive attribute and a
-

sign for a negative attribute
.


Desktop

+/
-

Portable

+/
-

Statements

1

Good
for people with disabilities to carry around as a communications tool.

2

Bigger
monitors can double up as TV screens.

3

Can
have powerful components that use a lot of power.

4

There
are lots more cables and wires to deal with.

5

They
are more likely to get stolen.

6

They
are prone to damage, e.g. thin screens, easily damaged by spilt drinks.

7

Can
be transformed into a desktop
-
style computer by attaching an external
mouse and keyboard.

8

Suited
to people on the move.

9

More
powerful.

10

The
keyboard is more comfortable to use, with keys better spaced out.

11

They
are less likely to get stolen
.

12

They
are more likely to have ergonomic devices that can be attached to the
computer or used around it.

13

To
transfer files, you have to save them to a medium such as a CD R and move
the disk rather than the computer.

14

They
are likely to run on batteries, which need recharging. More powerful
programs use more power, which requires frequent recharging.

15

They
can run off a battery in situations where electricity is unavailable.

16

You
can store files to the hard drive and take the whole device with you,
rather than having to copy files to another medium.

17

They
are good for parents who want to see what their children are doing on
the computer.

18

They
are big and bulky.

19

They
are not so easy to upgrade, as components are compacted into the
device.

20

They
are more expensive for the same specification.



Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Would a desktop or a portable computer be most
suitable for the following people and why?

Job

Which computer?

Desktop or Portable

Why

Teacher


News reporter


Website

designer


Doctor

(in a GP surgery)

Traffic warden


Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Components of a computer system

Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Select the computer features that would be most important for each user.

Choose the features from the previous slide.

User

Person A stores

lots of films and music



Person B enjoys

playing computer games



Person C likes connecting devices

wirelessly



Person D uses powerful

programs



Person E

produces videos and copies them
to a CD



Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Computer peripherals


add suitable images under each heading

Input

Output

Storage devices

/media

Unit 1 Living in the Digital World

Chapter 1 Let’s Communicate

Recommend a computer from slide 2 for each person

User

Computer and

reason why chosen

Teacher




News reporter




Website

designer




Doctor

(in a GP surgery)




Traffic warden