11753351
Description
Flashcards by Finn Risdon, updated more than 1 year ago
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Created by Finn Risdon
almost 7 years ago
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| Question | Answer |
| What is an Input Device? | An input device is a device that loads info onto another device eg a mouse |
| What is an output device? | An output device is a device where data exits a source e.g. Printer |
| What is a storage device? | A storage device is a device that stores data or info from the computer e.g. A USB stick |
| What is the purpose of Input and Output devices? | The purposes of Input and Output devices is to transfer info from the input (A mouse clicks download=Input.) to the output (The download shows on the monitor=Output) |
| What is the purpose of a power supply? | The purpose of a power supply is to support the computer with electricity, pumping it around the computer. |
| What is the purpose of the computer case? | The purpose of a computer case is to hold all of the insides in the computer together, and it means that plug sources can be used. |
| What is the purpose of the motherboard? | The purpose of the motherboard is to send messages around the computer telling different messages to the different parts of the computer.l |
| What is the purpose of the Processor? | The processor is the part of the computer where all of the processes like downloading a document take place. |
| What is the purpose of the RAM? | RAM (Random access memory) is where all of the data from the current task that is being preformed is stored. |
| What is the purpose of ROM? | It stores a program used to boot up the computer. This is called the bootstrap loader. |
| What is the purpose of the Hard Drive? | The purpose of the hard drive is to store all of the long term memory from past tasks is stored. |
| What is a repetitive strain injury (RTI) and what causes them? | RSI is an injury caused by the action of typing for too long which occurs in the fingers and wrists because of too little movement. |
| What is the cause of back injuries when using a computer? | The cause of back problems when using a computer is usually due to a poor posture or an awkward position when using a computer. |
| What is eye strain and what is the cause? | The cause of eye strain is when you stare at a computer for too long , particularity with poor lighting. |
| By law, what do employers have to provide for their employees? (in regards to working with computers) | Employers have to provide til table screens, anti - glare filters, adjustable chairs , spacious workstations, and regular breaks. |
| What is the purpose of Binary? | The purpose of binary is where we can convert an 8 bit value, and it can convert letters into numbers so the computer has more storage. |
| How many bits are in a Binary number? | There are 8 bits in a binary. |
| How do you convert Binary to Denary? | You convert it by putting it into a 1,2,4,8,16,32,64 ect chart, and certain numbers along the bottom will say miscellany libe 110100. The one means that the numbers above it have to be added together. |
| How do you convert Denary to Binary? | You convert by putting it into a 1, 2, 4, 16 chart, and add all of your numbers up according to the chart, and put a one under the numbers which you add up. |
| What 4 devices are needed to connect to the internet? | The 4 requirements needed to connect to the internet are: A telephone line Router ISP Google, Bing, ect |
| How many 'friends' have I GOT??? | 0 ;-( So sad... Jk ive got 70000000000000000000000 |
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