Flashcards
ICT test flaschards 2
Flashcards do conjunto (18)
- 1What is an input device?An input device is a piece of hardware that sends something, data for example, to your computer.
- 2What is an output device?An output device sends data and other information from one computer to another computer.
- 3What is a storage device?A storage device is a piece of equipment from a computer that information/data can be stored on.
- 4What is the purpose of a power supply?The purpose of a power supply is that computers need to use switching power supply.
- 5What is the purpose of a computer case?A computer cases purpose is to enclose the main components of a computer, it is also known as a computer chassis.
- 6What is the purpose of the motherboard?The purpose of of a motherboard is that it holds together important components of the computer.
- 7What is the purpose of a processor?The processor acts as if it is the brain of the computer, it has all of it's information stored in it.
- 8What is the purpose of a RAM?RAM (random access memory) is a part of the computer that keeps data but when the computer is turned off it loses data.
- 9What is the purpose of ROM?The purpose is that it stores a program used to boot up the computer. This is called the bootstrap loader.
- 10What is the purpose of the hard drive?The most important thing about the hard drive is the amount of data it can keep in itself.
- 11What is a repetitive strain injury (RSI) and what causes them?It is a pain you get from repetitively moving your hands because of typing on the keyboard and using the mouse.
- 12What is the cause of back injuries when using a computer?They are caused when you do not have a comfortable chair and your back starts to ache because of the chair.
- 13What is eye strain and what is the cause?Eye strain is where you are staring at the screen for a long time and your eyes begin to hurt.
- 14By law, what do employers have to provide for their employees?They must make sure their employees are protected and safe otherwise their business might be affected.
- 15What is the purpose of binary?Binary represents a piece of text, computer processor or data in the use of patterns and design
- 16How many bits are in a binary number?There are 8 bits in a binary numbers which are more likely known as bytes and it's size represents a letter.
- 17Know how to convert from binary to denary.Binary contains two digits, 0 and 1. Denary is most liked used by people and is used with numbers.
- 18Know how to convert from denary to binaryFirst set up the columns of base 2 numbers. Then look for the highest 2nd number that goes into 84.
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- FlashCards sobre ICT test flaschards 2, criado por Ridha Kazmi em 13-12-2017.
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- Ridha Kazmi
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