|
A
|
Computer essentials
|
|
B
|
Parts
of a computer
A
computer is an electronic machine that accepts, processes, stores and
outputs information. A typical computer consists of two parts: hardware and
software. Hardware is any electronic or mechanical part of the computer
system that you can see or touch.
Software
is a set of instructions, called a program, which tells a computer what to
do. There are three basic hardware sections.
|
|
C
|
Functions of a PC: input
processing, output, storage
|
EXERCISES
|
2.1
|
Look at A opposite. Read these questions and say which computer
|
1
|
‘Accelerate your digital lifestyle by
choosing a Pentium at 4.3 GHz.’
|
|
2
|
‘Right-click
to display a context-sensitive menu.’
|
|
3
|
‘You will see vivid,
detailed images on a 17” display’
|
|
|
2.2
|
Match the
terms with their definitions
|
1
|
CD/DVD drive
|
a
|
any socker into which a peripheral device may
be connected
|
|
2
|
speaker
|
b
|
device used
to produce voice output and play back music
|
|
|
2.3
|
Look at B opposite and label
this diagram with the correct terms.
|
|
2.4
|
Complete the
diagram and sentences below with words from C opposite.
|
1
|
Computer ____________ is the visible or
audible result of data processing – information that can be read, printed
or heard by the user.
|
|
2
|
The CPU
will process data as instructed by the programs you’re running ____________
includes functions like calculating, sorting, editing, drawing and
searching.
|
|
|
|
|
|
класс
ReplyDelete