Flashcards
Sem título
Flashcards do conjunto (18)
- 1What is the main purpose of the CPU?To fetch, decode and execute information from the main memory.
- 2What is virtual memory?Avoids the computer crashing when memory runs out.
- 3What does RAM stand for and what is it?Random Access Memory istemporary or volatile memory. When the power is switched off, the contents is lost lost.
- 4What is a peripheral device?A hardware device which fits into one of the categories but are external to the body of the computer.
- 5What are some embedded systems in a car?- Air Con
-Heated Seats
- Satnav
- Windscreen wipers
- Airbags
- Radio
- Central locking - 6What are some input devices?- Mouse
- Microphone
- Touch screen
- Keyboard - 7What are some output devices?- Speakers
- Headphones
- Monitor/computer screen
- Printer - 8What are some storage devices?- USB
- Flash memory
- RAM
- ROM
- Cloud - 9What are some communication or transmission devices?- Wifi
- Router
- Bluetooth - 10What is an embedded system?Any device that includes a computer but is not itself a general purpose computer.
- 11What does ROM stand for and what is it?Read Only Memory is memory that return data even when there is no power, this is non-volatile.
- 12What does Big Naughty Boys Kicked My Granny Twice stand for?Bit
Nibble
Byte
Kilobyte
Megabyte
Gigabyte
Terabyte - 13What is flash memory?A type of non volatile storage. It returns it's information even without power. It is ideal for devices such as; camera's, solid state drives, USB stick or a SD card.
- 14What is cache memory?A much quicker static RAM which is between the main memory and the CPU.
- 15What is a communication device?Something which allows a computer system to make contact with another computer system such as a WiFi router.
- 16What is a HHD and what does it stand for?Magnetic storage, it stand for hard disk drive.
- 17What is a SSD and what does it stand for?Flash storage, it stands for solid state drive.
- 18Give an example of optical storage.- CD-R
- DVD-RW
Informações
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- FlashCards sobre Sem título, criado por 0161 em 14-12-2015.
- Criado por
- 0161 · dez 2015
- Atualizado
- 19 fev 2016
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