Hard Drives ( hard disk )

Hard Drives ( hard disk )

A Hard Drive (sometimes called a hard disk) is a mass-storage device that is typically connected through your computer's IDE or serial interface SATA (Serial ATA) for internal drives, and through IEEE 1394, or USB for external drives (SCSI is an expensive option for either internal or external drives)



figure 1 internal hard drive





figure 2 External hard drive

Defination of CPU?

Central Processing Unit (CPU)

The CPU is the brains of the computer. Sometimes referred to simply as the processor or central processor, the CPU is where most calculations take place. In terms of computing power, the CPU is the most important element of a computer system. There are currently two manufacturers that own the majority of the market, Intel (Pentium & Celeron) and AMD (Athlon & Duron)

Recommand CPU

intel® Core™ i7 Processor
2.66 GHz core speed
8 MB of Intel® Smart Cache
3 Channels of DDR3 1066 MHz memory


Nowadays the software and games are requested high performance computer such as ram hard disk and also CPU .CPU is the most important for computer. intel corei7 is the high performance CPU for everything you do.