Flashcards
PC Basics
Flashcards do conjunto (20)
- 1What is an input device?A device that gives an input/information to a computer system.
- 2What is an output device?A device that gives a result from an input.
- 3What is a storage device?A device that stores information and data.
- 4Give an example of input, process and output.Google Chrome -> loading -> Computer displays google.
- 5What is the purpose of a power supply?To give off power to the entire computer system.
- 6What is the purpose of the computer case?To protect the insides of the tower.
- 7What is the purpose of the motherboard?It can send massages to the different parts of the computer.
- 8What is the purpose of the processor?It’s where all the processes are carried out.
- 9What is the purpose of the RAM?Random Access Memory (RAM) is where the computer stores the current task that is being carried out.
- 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 the purpose of ROM?Stores a program used to boot up the computer. This is called the bootstrap loader.
- 12What is a repetitive strain injury (RSI) and what causes them?Damage to the fingers and wrists caused by
repeated movements over a long period of time. - 13What is the cause of back injuries when using a computer?Poor posture or sitting in an awkward
position when using a computer. - 14What is eye strain and what is the cause?Eye strain is damage to the eyes caused by staring at a computer screen for a
long time. Particularly in poor light, in glare or with a
flickering screen. - 15By law, what do employers have to provide for their employees? (in regards to working with computers) Give 8 reasons.O Tiltable screens.
O Anti-glare screen filters.
O Adjustable chairs.
O Foot supports.
O Suitable lighting.
O Workstations are not cramped
when working on a computer.
O Staff take frequent breaks.
O Appropriate eye and eyesight tests by an optician. - 16What is the purpose of Binary?It allows the computer to store data.
- 17How many bits are in a Binary number?8
- 18How do you convert from binary to denary?You look at which denary numbers have a 1 underneath it and add it all together. If a 0 is under a number, you don't add it.
- 19How do you convert from denary to binary?You look at which denary numbers go into the number. If it does, you take it away and see what other numbers go into it.
- 20What devices do you need to connect to the internet?A device (computer, PC, smartphone etc), a Network Interface Card, a router and a Modem.
Informações
- Descrição
- FlashCards sobre PC Basics, criado por Rohan Jamili em 04-10-2018.
- Criado por
- Rohan Jamili
- Visualizações
- 1
- Avaliação