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6 Cards in this Set
- Front
- Back
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Types of computers |
- desktop pc- not designed for portability but for general use for single person - laptop- portable, integrate display, keyboard, mouse, processor, memory and hard drive in a compact package - server- provide services to other computers over a network Workstation- desktop computer with more powerful processor, more memory and enhanced capabilities |
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Terminology |
Motherboard- main circuit board of microcomputer Central processor unit- brains of the computer Basic input/output system- built in software that determines what a computer can do without accessing programs from a disc ROM- non-volatile form of memory which has been prerecorded onto a chip and can’t be altered, only read RAM- volatile form of memory used to load and run programs Binary term or byte- unit of storage capable of containing a single character Input device- any machine that feeds data into computer e.g USB stick, keyboard Output device- device capable of representing info from the computer e.g plotter, display screen Hardware- refers to object you can touch e.g printer, USB stick Network- group of 2 or more computers linked together |
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Define Local Area Network |
HS ships will use LAN which connects workstations and personal computers. Each computer in the LAN will have its own CPU but can also access data and devices anywhere on the LAN |
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Data can be stored on |
Hard disks Server Compact disc/ digital versatile disc USB |
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Operating systems |
Microsoft windows- the most common DOS- single user operating system does not support multi tasking, becoming redundant LINUX- free operating system combines GUI functionality of windows with efficiency of UNIX operating system |
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Maintaining directory structure |
Critical to performance of the system Misspelt directory or folder in the wrong place can cause software to lose functionality and can’t locate required file |
