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78
Device Function
1 mouse
2 processor
3 3.5” floppy drive
4 clock
5 RAM
6 DVD-ROM drive
7 keyboard
8 monitor
9 cache
10 ROM
A to hold data read or written to it by the processor
B to input data through keys like a typewriter
C to display the output from a computer on a screen
D to read DVD-ROMs
E to read and writes to removable magnetic disks
F to hold instructions which are needed to start up the
computer
G to control the cursor
H to provide extremely fast access for sections of a program
and its data
I to control the timing and signals in the computer
J to control all the operations in a computer
12 Use patterns from Activity 11 and phrases below to describe different
functions of a computer. Add two more uses to the list.
· to collect data
· to create images and sound
· to process texts
· to make graphics
· to calculate financial spreadsheets and model business plans
· to test designs trough computer simulation
· to generate long-term and short-term plans on the basis of information
analysis
· to determine diagnosis and plan treatment
· to forecast weather and climate
· to monitor experiments results
· to control the performance of machine-tools, assembly-lines, conveyers
13 Match the terms (1 – 8) with the statements (A – H). Say what the
abbreviations mean.
1 AGP 5 CD-ROM
2 RDRAM 6 MB
3 SDRAM 7 SVGA
4 GHz 8 RAM
A A unit for measuring the speed of the processor
B A unit used for measuring the capacity of the memory or of storage devices
C An optical storage device that uses laser lights to read and write to a disk.
D The storage area where all software is loaded and works from
E A type of random access memory that operates synchronously with the
system bus
F A graphic standard
G A completely new type of RAM technology that can operate at very high
clock frequencies
H A graphics port
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