HPS 8.1 Digital Devices Revision

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Q8.1.1 What kind of data is stored in a Computers RAM?
A8.1.1 All of it
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Q8.1.2 How does Addressable Memory work?
A8.1.2 A Computer assigns data that it puts in the RAM an address, so that it can be found quickly when it is needed.
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Q8.1.3 How does a Computer carry out instructions from a Computer program?
A8.1.3 It uses the Fetch-Decode-Execute cycle
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Q8.1.4 What does BIOS stand for?
A8.1.4 Basic Input Output System
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Q8.1.5 Is BIOS an operating System?
A8.1.5 No OS stands for Output System not Operating System
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Q8.1.6 Are Windows Computers limited to using only Windows Office Applications?
A8.1.6 No,Much Open Source Office Application Software can be used on WIndows OS Computers
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Q8.1.7 Why does a computer need Output devices?
A8.1.7 So that the cComputer can present the user wth useful information
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Q8.1.8 Why does a computer need an Input device?
A8.1.8 So that the user can enter information into the Computer, which is stored int he RAM
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Q8.1.9 Why does a Computer have a CPU?
A8.1.9 To Process everything that the computer does Central PROCESSING Unit
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Q8.1.10 What happens to information in the RAM when the Computer is turned off or loses power?
A8.1.10 All information in the RAM is lost when the Computer is swithced off, that is why it is important to save files before you do so.
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Q8.1.11 Which type of network needs a SIM card to operate?
A8.1.11 A Mobile network needs a SIm card
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Q8.1.12 What type of digital device can operate on amobile network and a wireless network
A8.1.12 Any Device that has a wireless antenna and a SIM card with credit, e.g. A mobile phone
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Q8.1.13 What type of cable is the main part of a physical computer network?
A8.1.13 An Ethernet cable
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Q8.1.14 What is the function of an Operating System?
A8.1.14 Establishing a User Interface, managing the hardware of a computer, and providing services for application software
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Q8.1.15 Give three examples of task best perfomed by Human beings rather than computers
A8.1.15 Writing a Fiction Novel, Changing a babies nappy, Painting a portrait in oil paint.
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Q8.1.16 Why would something like measuring the amount of rainfall everyday, be a task better performed by a computer?
A8.1.16 It is repetative, might need lots of readings in bad weather
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Q8.1.17 What is application software? Give some examples
a8.1.17 It is software that an end user users to complete a task, e.g. Word processing to write a letter, or A spreadsheet to work out a bill.
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Q8.1.18 What is a Computer Sensor?
A8.1.18 It is a digital device that remotely records data and stores it for use by an end user, e.g. A light sensor would record the amout of sunshine
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Q8.1.19 Give an example of a digital device that can be an input and an output device
A8.1.19 A touchscreen because it outputs so that the user can see what is produced but can touch it to input information
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Q8.1.20 Name three Output devices
A8.1.20 Printer, Monitor, Loudspeaker
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Q8.1.21 Name three Input devices
A8.1.21 Keyboard, Mouse, Microphone
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Other cards in this set

Card 2

Front

Q8.1.2 How does Addressable Memory work?

Back

A8.1.2 A Computer assigns data that it puts in the RAM an address, so that it can be found quickly when it is needed.

Card 3

Front

Q8.1.3 How does a Computer carry out instructions from a Computer program?

Back

Preview of the front of card 3

Card 4

Front

Q8.1.4 What does BIOS stand for?

Back

Preview of the front of card 4

Card 5

Front

Q8.1.5 Is BIOS an operating System?

Back

Preview of the front of card 5
View more cards

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