15294326
Description
Flashcards by William Askew, updated more than 1 year ago
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Created by William Askew
about 6 years ago
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| Question | Answer |
| What is an input device? | An input device is something that you use to send data from a device to a different device. (Phone) |
| What is an output device? | A user will enter an output to a computer system. (Printer) |
| What is a storage device? | A storage device is something that you can store anything like a document or a photograph on. (Hard Drive) |
| What is the purpose of a power supply? | Provides power towards the computer/PC |
| What is the purpose of the computer case? | A box that contains most of the main components in a computer/PC |
| What is the purpose of the motherboard? | The motherboard send all of the signals from the main components to the computer screen |
| What is the purpose of the Processor? | The place where all the processes are carried out |
| What is the purpose of the RAM? | It contains the current task that is being carried out |
| What is the purpose of the Hard Drive? | Its where all of your pictures,documents and videos are stored on your computer. |
| What is the purpose of ROM? | Stores a program used to boot up the computer. This is called the bootstrap loader |
| What is a repetitive strain injury (RSI) and what causes them? | It can be caused by using a computer for too long without having a break. |
| What is the cause of back injuries when using a computer? | It can be caused due to sitting in an uncomfortable position or due to not having a foot rest. |
| What is eye strain and what is the cause? | Eye strain is when your eyes have become really painful due to you spending to much time staring at a screen without taking a break. |
| By law, what do employers have to provide for their employees? (in regards to working with computers) | They have to give you an adjustable chair,foot supports,suitable lighting and spacious work areas |
| What is the purpose of Binary? | The purpose of it is for the computer to store data |
| How many bits are in a Binary number? | There are 8 bits per code |
| Know how to convert from Binary to Denary? | You will have a set number and then you will add up numbers to get the binary code so you would just do the inverse of it. |
| Know how to convert from Denary to Binary | You will have a set number and then you will add up numbers to get the binary code |
| What devices do you need to connect to the internet? | You will need a PC, Network Interface Card, Router and Modem. |
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