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CIE IGCSE Computer Science (Latest Update 2024) Questions and Answers
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CIE IGCSE Computer Science (Latest Update 2024) Questions and Answers
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CIE IGCSE Computer Science (LatestUpdate 2024) Questions and Answers
An output device that changes an element of the physical
world, usually a motor, light or buzzer. - Correct Answer
✅Actuator
Uses feedback from a sensor to control a physical process
and can run without user input for some time. - Correct
Answer ✅Control System
When the computer measures the effect of a process that it
controls, usually through the use of input sensors. - Correct
Answer ✅Feedback
Converts data into digital signals that can be processed by
the computer. - Correct Answer ✅Input Device
Consists of RAM and ROM. - Correct Answer ✅Primary
Storage
Converts the information inside the processor into a useful
form outside the computer. - Correct Answer ✅Output
Device
,CIE IGCSE Computer Science (Latest
Update 2024) Questions and Answers
Volatile read-write storage inside the CPU. - Correct Answer
✅RAM
Data and instructions can be taken from here by the
processor. It cannot be used to store new data. - Correct
Answer ✅Read-only
Data and instructions can be taken from and written to here
by the processor. - Correct Answer ✅Read-write
Non-volatile storage used to store the start-up instructions for
the computer. - Correct Answer ✅ROM
Retains data and instructions in digital form. - Correct
Answer ✅Storage Device
Non-volatile storage outside of the processor. - Correct
Answer ✅Secondary Storage
,CIE IGCSE Computer Science (Latest
Update 2024) Questions and Answers
Data is lost if electricity is lost. - Correct Answer ✅Volatile
Data is retained even if electricity is lost. - Correct Answer
✅Non-volatile
Stores and retrieves data from a digital disc with the aide of a
laser. - Correct Answer ✅Optical Storage Media
Stores and retrieves data from a digital drive using electricity.
Very fast to access data because it does not have any parts
that physically move. - Correct Answer ✅Solid State
Storage Media
Stores and retrieves data from a digital drive using positive
and negative electronic charges. - Correct Answer
✅Magnetic Storage Media
Using an internet service to store data. - Correct Answer
✅Cloud Storage
, CIE IGCSE Computer Science (Latest
Update 2024) Questions and Answers
Optical storage media that can be recorded to once only. The
storage media is blank when first purchased. - Correct
Answer ✅CD-R/DVD-R
Optical storage media that can be written to many times. The
storage media is blank when first purchased. - Correct
Answer ✅CD-RW/DVD-RW
Optical storage media that cannot be written to. The storage
media contains data when first purchased. - Correct Answer
✅CD-ROM/DVD-ROM
Similar to secondary storage but outside of the computer. For
example a portable hard drive or magnetic tape. - Correct
Answer ✅Off-line Storage
Two layers that conduct electricity. Inexpensive but can be
easily damaged. - Correct Answer ✅Resistive Screen
Uses conductive strips either side of a transparent sheet, at
right angles so that the strips make a grid. An electronic
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