how to use a computer?
quick and easy ways to learn using computers!!!
What this flyer includes (introduction)
Do you want to learn better ways on using your computers? Then keep reading below. usually people don't use their imagination when using computers, if you are that type of person. don't worry!! because were here to help you.
in this study guide we will be looking at variety's of hardware, for example:
- Hard disk
- processor and many more
what is a CPU?
CPU is the brains of the computer where most of the calculations take place.
the CPU is also known as the processor or microprocessor.
The CPU is responsible for executing a sequence of stored instructions called a program. This program will take inputs from an input device, process the input in some way and output the results to an output device
CPUs aren't only found in desktop or laptop computers, many electronic devices now rely on them for their operation. Mobile phones, DVD players and washing machines are examples of equipment that have a CPU.
what is RAM?
A type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes.RAM is the most common type of memory found in computers and other devices, such as printers.
Main types of RAM:
there are 2 types of RAM:
The two types of RAM ARE DIFFERENT in the technology they use to hold data, with DRAM being the more common type. In terms of speed, SRAM is faster. DRAM needs to be refreshed thousands of times per second while SRAM does not need to be refreshed, which is what makes it faster than DRAM.
What is ROM
ROM stands for Read Only Memory
ROM is memory that cannot be changed by a program or user. ROM retains its memory even after the computer is turned off. For example, ROM stores the instructions for the computer to start up when it is turned on again.
ROM (read-only memory) refers to special memory used to store programs that boot the computer and perform diagnostics. Most personal computers have a small amount of ROM (a few thousand bytes). In fact, both types of memory (ROM and RAM) allow random access. To be accurate, therefore, RAM should be referred to as read/write RAM and ROM as read-only RAM.
what is the motherboard?
The motherboard is a circuit board that connects the CPU to the memory and all other hardware. The CPU sits on the motherboard also, known as the logic board.
the hard disk
Hard disks spin at very high speeds around 7,200 RPM within a sealed unit inside the computer. Hard disks store large amounts of data - 200GB to 1TB is common in desktop computers. The data stored on a hard disk is retained until deleted, but it needs to be loaded into main store RAM before it can be used.
- RPM stands for revolutions per minute
- GB stands for gigabyte. a measurement of file size or storage capacity.
- TB stands for terabyte. a measurement of file size or storage capacity.
A hard disk stores:
- The operating system
- Software applications or programs
- The majority of your data files
what is the hardware?
Hardware is a generic term for any part of the computer that you can physically touch, pick up, hold and move it about anywhere. so basically hardware are the physical parts that make up the computer.
External hardware (not inside the computer):
- monitor- see what your working on.
- printer- can get your work on paper.
- keyboard- can type, text numbers and letters in to your work,.
- mouse- you can point, click and select things on
- your computer screen.
- microphone- you can input your voice and do sound recordings.
internal hardware (inside the computer):
- hard disk
- sound card