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WorksheetsYEAR 8 ICT
Total questions: 14
Worksheet time: 15mins
Example of component computer hardware are
motherboard
CPU
BIOS (ROM)
scanner
It is call as a brain of computer. It is responsible to perform calculation and data processing. What it is?
(a)
Characteristic of this component are
it is called Read only memory (ROM)
it is called Random access memory (RAM)
content are lost when computer turn off
content are not lost when computer turn off
_________ allow people to exchange digital message. these message can be quickly sent to one person or to thousand at the click of a button.
fax
website
internet
what is meant by computer virus?
There are many health problem that you can suffer if you use ICT devices incorrectly. For example
toothache
repetitive strain injury (RSI)
back and neck strain
fever
RSI can cause painful swelling of the wrist and fingers. How do we preventing from RSI?
do not use ergonomic keyboard
work hard regularly on your hand as a practice
use a wrist rest
do not take a rest
Sensor can also be used for a wide range of data collection and everyday applications. For example pressure type of sensor are used in
cookers
washing machine
automatic washing machine
agricultural
A supermarket has a number of point of sale (POS) terminals. Choose two output devices that would be found at POS terminal.
bar-code scanner to scan the codes
printer to produce a receipt
loud speaker
Undesirable websites are those that include content that is offensive to individuals. However we can avoid to reduce the chances of you accidentally stumbling across undesirable information by......
stick to well known websites
use built in search engine filter
use parental control
click any pop up message on screen
During pandemic day. It is a best way to conduct a classes by hold a video conferencing rather than face to face class. Give two advantage of holding a video conference rather than face to face meeting.
This network are confined to one building or site. It is offer to a private network belonging to an organisation. What it is.
(a)
This network used radio signal (WiFi) to connect to computer instead of cables. It is more convenient to use rather than running long wires all over the buildings
(a)
Microprocessor are put into electronic devices to control how they function such as in computer system, washing machine, alarm system. State advantages of using microprocessor controlled devices in the home.
increased free time that allow us to work on the move
increased leisure time that can ensure the task is complete without you being there.
increased fitness that allow us to complete our everyday task
increased productivity because of it take care of household chores
