study with doggies


Flashcards on study with doggies, created by Hanif Heseltine on 12/13/2017.
Hanif Heseltine
Flashcards by Hanif Heseltine, updated more than 1 year ago
Hanif Heseltine
Created by Hanif Heseltine over 6 years ago

Resource summary

Question Answer
What is an input device? Something that is needed to operate something. eg. scanner
What is an output device? The result of an input device. eg. printer
What is a storage device? Where storage, such as KB, MB and GB, are stored.
What is the purpose of a power supply? To provide voltage to the computer, or motherboard.
What is the purpose of a computer case? To protect the insides from falling out.
What is the purpose of a motherboard? It includes the central processing unit (CPU), memory and connectors for input and output devices.
What is the purpose of a processor? It is like the computers brain.
What is the purpose of a RAM? It uses the processor to get information quickly.
What is the purpose of a ROM? Stores a program used to boot up the computer. This is called the bootstrap loader.
What is the purpose of a hard drive? It stores data.
What is and/or causes RTI? It is damage to the wrist, and staring typing too long causes it.
What is and/or causes back pains? It is when you put pressure on you back and when you sit in a chair for a long period.
What is and/or what causes eye strain? It is damage to the eye, and staring at a screen too long causes it.
By law, what do employers have to provide for their employees? They have to provide a regular eye test.
What is the purpose of binary? It is text in the form of 1's and 0's.
How many bits are in a binary number? 8 bits. (1, 2, 4, 8, 16, 32, 64, 128, 256.)
How do I convert binary to denary? By finding the parts of the 8 bit system to total the number. eg. 37 = 1 + 4 + 32 = 37
How do I convert denary to binary? By adding parts of the 8 bit system to total the number. eg. 37 = 1 + 4 + 32
What 4 devices are needed to use the internet? Copper, Green cabinets, Fibre Optic and ISP.
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