Flashcards
PC Basics
Flashcards do conjunto (19)
- 1What is an Input Device?A device that gives an input to a computer system. (Mouse)
- 2What is an Output Device?A device used to send data from a computer to another device or user.
(Computer) - 3What is a Storage Device?a piece of computer equipment on which information can be stored. (USB)
- 4What is the purpose of a power supply?The power supply pumps electricity around the computer.
- 5What is the purpose of a computer case?The case of the computer holds everything together.
- 6What is the purpose of the motherboard?It sends messages to all of the components inside the computer
- 7What is the purpose of the Processor?Where all the processes are carried out.
- 8What is the purpose of the RAM?Random Access Memory (RAM) is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor.
- 9What is the purpose of ROM?A compact disc or "CD" is a flat round disc used to store data.
- 10What is the purpose of the Hard Drive?The hard drive is where all of your documents, pictures, programmes etc. are stored on the computer
- 11What is a repetitive strain injury (RSI) and what causes them?Usually damage to the fingers and wrists caused by repeated movements over a long period of time.
- 12What is the cause of back injuries when using a computer?Usually due to poor posture or sitting in an awkward position when using a computer.
- 13What is eye strain and what is the cause?Usually caused by staring at a computer screen for a long time. Particularly in poor light, in glare or with a
flickering screen. - 14By law, what do employers have to provide for their employees? (in regards to working with computers)tillable screens
anti-glare screen filters
adjustable chairs
foot supports
suitable lighting
workstations are not cramped
when working on a computer staff take frequent breaks
appropriate eye and eyesight tests by an optician - 15What is the purpose of Binary?It is used to represent the value of bits – the type of information stored in a computer's memory.
- 16How many bits are in a Binary number?8
- 17Know how to convert from Binary to Denary..
- 18Know how to convert from Denary to Binary.To convert Denary to Binary you have to use the 8-bit system and create your number then put a 1 or a 0 in each place.
- 19What devices do you need to connect to the internet?DSL Modem
DSL/Broadband Filter
Firewall and NAT Router
Computer
A Network Interchang
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- FlashCards sobre PC Basics , criado por Georgina Spencer em 04-10-2018.
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- Georgina Spencer
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