Chapter+4+Computer+Hardware+Understanding+the+parts

What are the four main functions of a computer?
- Input - Processing - Output - Storage

What is the difference between data and information?

 * **Data** is raw material for data processing. data relates to fact, event and transactions that is unprocessed information.
 * **Information** is data that has been processed in such a way as to be meaningful to the person who receives it. it is any thing that is communicated.

What is a bit? a Byte? a KB? MB? GB? TB?
BIT: is the smallest possible unit of digital information, because it can have only two values, which can be interpreted as ON and OFF, or numerically as 0 and 1

If I build my own computer what are the main components I would need?
1. Computer case 2. CPU 3. RAM 4. Motherboard 5. Hard drive 6. Disk Drive 7.Video Card 8.Monitor 9.Key board/Mouse

List the four categories of computers mentioned in chapter 4 of the textbook.
1. Notebook computer - (laptop) 2. Netbook 3. Tablet PC 4. Desktop computer

List some common input, output, and storage peripherals for a personal computer.

 * Input || Output || Storage ||

What is a processor? What is RAM? how are these used?
a processor (or CPU) is essentially the brains of the computer. It tells your computer what to do and when to do it, it decides which tasks are more important and prioritizes them to your computers needs.

RAM (random access memory) is a common form of computer data storage. It is volatile memory and requires power, if power is lost, all data will be lost.

List LCD monitor quality factors. How do I know what I should pay for?
1. 2, 3. 4. 5. 6.

Describe 3 types of non-impact printers commonly used today.
Inkjet- Spray tiny drops of ink on to page,less exspensive Laser- Uses laser beams and static electricity to deliver toner page, more expensive, faster printing speed Thermal-Heats thermocromic paper, quiet and fast, uses less power

What are the two main parts of a processor (CPU)?
The CU (Control Unit) and the ALU (arithmetic logic unit)

List some examples of common storage devices under the correct category.

 * Magnetic storage || Optical Storage || Solid State Storage ||

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