Flashcards
PC Basics GINA
Flashcards do conjunto (19)
- 1what is an input devise ?it is where any device sends data to any computer, allowing you to interact with and control the computer. the most common input devices on a keyboard are the mouse.
- 2what is an output device?It is where any device used to send data from a computer to another device or user. EG: monitor, projectors, printers, speakers and headphones. SOMETHING THAT OUTPUTS A SOURCE
- 3what is a storage device?A storage device is any computing hardware that is used for storing, porting and extracting data files and objects. EG: CD, memory stick, SD card.
- 4What is the purpose of a power supply?a power supply converts AC to DC.
- 5What is the purpose of the computer case?to stop the components from falling out of place and not getting mixed up.
- 6What is the purpose of the motherboard?It holds together many of the crucial components of a computer, including the central processing unit (CPU), memory and connectors for input and output devices.
- 7what is the purpose of the processor?The most important component of a computer is the processor. The processor acts as the computer's brain, running programs and sending and receiving signals to attached devices to keep the computer running.
- 8What is the purpose of the RAM?RAM (random access memory) is the place in a computing device where the operating system , application programs and data in current use are kept so they can be quickly reached by the device's processor. Data remains in RAM as long as the computer is running.
- 9what is the purpose of ROM?Stores a program used to boot up your computer. this is called bootstrap loader. (READ-ONLY MEMORY)
- 10what is the purpose of a hard drive?a hard drive is a type of storage on a computer.
- 11What is a repetitive strain injury (RTI) and what causes them?It is damage to the fingers or your wrists. It is usually caused but doing something repetitively or over a long period of time.
- 12What is the cause of back injuries when using a computer?If you are getting back injuries when using as computer, it can be caused by leaning over to much for a long time.
- 13What is eye strain and what is the cause?Eye strain is when you look at something repetively or for a long period of time without breaks or stopping.
- 14By law, what do employers have to provide for their employees? (in regards to working with computers)They havew to provide things to prevent RSI. eg foot rests, finger wrests, breaks, good back support.
- 15What is the purpose of Binary?computers communicate, store and share data using 0 and 1
- 16How many bits are in a Binary number?There are 8 bits in binary.
- 17Know how to convert from Binary to Denary.yes
- 18Know how to convert from Denary to Binaryyes
- 19What 4 devices are needed to connect to the internet?-a computer.
-telephone line (cable being the exception)
-modem and/or router.
-an ISP (Internet Service Provider)
Web browser
Informações
- Descrição
- FlashCards sobre PC Basics GINA , criado por Georgina Whitaker em 19-12-2017.
- Criado por
- Georgina Whitaker · dez 2017
- Atualizado
- 9 jan 2018
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