Computer Applications
All workstations in the Betterview shops have TWO input devices and TWO output devices.
(a) Give the names of two input devices that must be part of a workstation.
(b) Give the names of two output devices that must be part of a workstation.
Related Questions
At the moment when an item is sold at the refreshment kiosk, the item code is keyed in using a conventional keypad. During busy periods this method is too slow and queues develop. Recommend a more suitable input device. Explain how this device works.
There are two types of memory, random access memory (RAM) and read only memory (ROM).
(i) Give one use for RAM
(ii) Give one use for ROM
(iii) Describe the differences between RAM and ROM.
Lorretta produces publicity leaflets for Betterview.
Publicity leaflets contain articles, photographs and diagrams.
Lorretta has additional hardware for producing these leaflets.
This includes a colour scanner.
(a) Describe how Loretta should use her computer workstation to :
- store a photograph as a computer file ;
- load the stored photograph into one of the blank boxes.
(b) Lorretta needs to produce a proof colour copy of the leaflet to show to her manager. Describe two features of a printer which would be needed to produce the leaflet.
Give two ways in which a CD-ROM disc is different from a floppy disc.