Edexcel IGCSE ICT – Topic 1: Digital Devices Study
Guide and Key Concepts
1. A large, powerful computer that can do a lot Mainframe computer
of complicated jobs quickly and can be used
by a lot of people at the same time
2. The device that controls what a computer Microprocessor
does; it takes data as input, does something
with it, and provides an output
3. Large organizations for complex processing Who uses mainframe computers and
tasks such as statistical analysis and bulk why?
data processing
4. Used to control washing machines, televi- What are microprocessors used for?
sions and other household appliances
5. Personal computer What does PC stand for
6. To make a computer better and able to do Upgrade
more things
7. that is connected to a computer and used Peripheral device
with it
8. O�ces and homes Where are PC's common
9. They come in di erent shapes and sizes What is a similarity between PC's, desk-
tops and laptops
10. Have more space for components and pro- What is a di�erence between desktops
vide users with the option to upgrade them and laptops?
or add additional components
11. Needs peripheral devices, needs more pow- What is a downside of desktops
er than a laptop, isn't portable
,12. Monitor, printer, mouse and keyboard Examples of a peripheral device deeded
for most desktops
13. Combines the monitor with other PC hard- What makes a desktop "all in one"
ware
14. Keyboard, screen, trackpad and a recharge- Features of a laptop
able battery
15. They can be taken away from a desk, mak- What does a rechargeable battery and
ing them portable small size make a laptop good for
16. Bigger and better quality screens and high- What kind of laptop is good as a desktop
er performance levels replacement
17. A ordable computers used in education Single board computers (SBC's)
18. Computing hardware that is xed into posi- Embedded computing
tion and carries out a specialist task
19. Interactive systems that can sense and re- Physical computing
spond to the world around them
20. Subscriber identity module What does SIM stand for
21. Used to identify the subscriber to a mobile What is a SIM card used for
phone network
22. A phone that has specialist features that Specialist phone
provide users with functions that meet par-
ticular user needs
23. The person who uses a computer system User
, 24. An emergency button linked to a list of What is an example of a feature only
emergency contacts found on a specialist phone
25. Accessibility needs Why might someone need a specialist
phone?
26. Text to speech for partially sighted people What is an example of an accessibility
feature that may be found in specialist
phones
27. Wireless delity What does wi stand for
28. A way of connecting computers of other What is the function of WIFI
electronic machines to a network or the in-
ternet by using radio signals rather than
wires
29. An electronic device that is used for playing Games console
computerized video games on a screen
30. A program that allows a user to perform a Application
task; Often called apps
31. Small computers with wi and mobile Smart phones
phone connectivity
32. More advanced operating system Example of a way that smart phones are
more advanced than other mobile phones
33. A keyboard displayed on and used via a Virtual keyboard
touchscreen
34. Uses more power than most other types of
mobile phone due to its many functions
Guide and Key Concepts
1. A large, powerful computer that can do a lot Mainframe computer
of complicated jobs quickly and can be used
by a lot of people at the same time
2. The device that controls what a computer Microprocessor
does; it takes data as input, does something
with it, and provides an output
3. Large organizations for complex processing Who uses mainframe computers and
tasks such as statistical analysis and bulk why?
data processing
4. Used to control washing machines, televi- What are microprocessors used for?
sions and other household appliances
5. Personal computer What does PC stand for
6. To make a computer better and able to do Upgrade
more things
7. that is connected to a computer and used Peripheral device
with it
8. O�ces and homes Where are PC's common
9. They come in di erent shapes and sizes What is a similarity between PC's, desk-
tops and laptops
10. Have more space for components and pro- What is a di�erence between desktops
vide users with the option to upgrade them and laptops?
or add additional components
11. Needs peripheral devices, needs more pow- What is a downside of desktops
er than a laptop, isn't portable
,12. Monitor, printer, mouse and keyboard Examples of a peripheral device deeded
for most desktops
13. Combines the monitor with other PC hard- What makes a desktop "all in one"
ware
14. Keyboard, screen, trackpad and a recharge- Features of a laptop
able battery
15. They can be taken away from a desk, mak- What does a rechargeable battery and
ing them portable small size make a laptop good for
16. Bigger and better quality screens and high- What kind of laptop is good as a desktop
er performance levels replacement
17. A ordable computers used in education Single board computers (SBC's)
18. Computing hardware that is xed into posi- Embedded computing
tion and carries out a specialist task
19. Interactive systems that can sense and re- Physical computing
spond to the world around them
20. Subscriber identity module What does SIM stand for
21. Used to identify the subscriber to a mobile What is a SIM card used for
phone network
22. A phone that has specialist features that Specialist phone
provide users with functions that meet par-
ticular user needs
23. The person who uses a computer system User
, 24. An emergency button linked to a list of What is an example of a feature only
emergency contacts found on a specialist phone
25. Accessibility needs Why might someone need a specialist
phone?
26. Text to speech for partially sighted people What is an example of an accessibility
feature that may be found in specialist
phones
27. Wireless delity What does wi stand for
28. A way of connecting computers of other What is the function of WIFI
electronic machines to a network or the in-
ternet by using radio signals rather than
wires
29. An electronic device that is used for playing Games console
computerized video games on a screen
30. A program that allows a user to perform a Application
task; Often called apps
31. Small computers with wi and mobile Smart phones
phone connectivity
32. More advanced operating system Example of a way that smart phones are
more advanced than other mobile phones
33. A keyboard displayed on and used via a Virtual keyboard
touchscreen
34. Uses more power than most other types of
mobile phone due to its many functions
