The word ‘computer’ nowadays is very famous among all of us. Almost each and every one of us owned their own personal computer. In fact, a portable personal computer or also known as laptop was introduced the world by Adam Osborne in1981. Most people prefer to use laptop because it is so easy to carry anywhere you go. As the laptop getting famous throughout the years, they try to make it as convenient as they can. Like example, laptop from the past was quite heavy and big. Ever since then, they made it even slimmer, lighter and even smaller. I myself start to use computer ever since I was 10 years old and I can see a very big transformation in terms of the creation and the ...view middle of the document...
It’s made to add spot for any adapters. The thing that controls the speed and performance of the computer is called the processor. The processor will commands the operating system and sends the proper info to every each section. A few fans will be installed inside the CPU to prevent the computer from overheating. When you have programs running, memory is being used up to keep things in it running smoothly. If the memory is to heavy or compact, it will slow down the computer. Every computer comes with a certain amount of physical memory, usually referred to Random Access Memory (RAM). RAM allows a computer to work with more information at the same time which can have a massive effect on total system performance.
Example of Computer Hardware
QWERTY keyboard is the most common keyboard device used. (Curtis and Cobham 2002) It’s called a ‘QWERTY’ keyboard because they are the first six letters on the top left of the keyboard. The keyboard is the continuous from the old typewriter standard which some extra keys have been added for specific computer-based functions. Keyboards have been designed to allow a trained typist to input text at the rate of about 180 words per minute. (Laudon and Laudon 2003)
Printer is so important for permanent record. (Curtis and Cobham 2002) Printer is also portable and can be posted to customers. The choice of printer will be depend on how each meets the desired mix of these features such as speed, quality of output, range of print fonts, graphics abilities, cost of purchase, cost of operation and associated noise levels.
• Laser Printer
Laser printers generate a page at a time. From the light of the laser, the page image is...