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Personal Computer Essay

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1.3.1 Microcomputers (Personal Computer)
A computer system that utilizes a microprocessor as its central control and arithmetic element. The personal computer is one form. The power and price of a microcomputer is determined partly by the speed and power of the processor and partly by the characteristics of other components of the system, i.e. the memory, the disk units, the display, the keyboard, the flexibility of the hardware, and the operating system and other software.
Memory sizes range up to thousands of megabytes and the access speed can also vary considerably. The capacity of floppy disk drives varies up to several hundred megabytes. Optical disk's capacities lie in the tens of gigabyte range and hard disk capacities in the hundreds of gigabyte range. Microcomputer displays range from domestic TV receivers to high-definition color monitors based on CRT and LCD technologies. LCD and plasma displays are used on laptops, notebooks, and other portable models. There are many keyboard designs, and the number and arrangement of keys is not a guide to quality, rather the physical construction and action. The flexibility of the hardware can be measured by the number and type of enhancements available. These might include extra memory, more disk drives, coprocessors, pointing devices, communications interfaces, and the ability to participate in networks. The operating system can be characterized by its use of memory, how much can be accessed and how well it is done, how many tasks can be run …show more content…

The older pc started 8 bit processor with speed of 3.7MB and current pc 64 bit processor with speed of 4.66 GB.
Examples: - IBM PCs, APPLE computers
Microcomputer can be classified into 2 types:
• Desktops
• Portables
The difference is portables can be used while travelling whereas desktops computers cannot be carried around.
The different portable computers are: -
• Laptop
• Notebooks
• Palmtop (hand

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