| Used computer hardware- All the equipment we | | | | Used computer hardware- All the equipment we |
| provide is guaranteed | | | | provide is guaranteed |
| Used computer hardware - We offer great discount | | | | Used computer hardware - We offer great discount |
| Computer hardware is a physical part of a computer | | | | Computer hardware is a physical part of a computer |
| that executes within the hardware. It is unlike | | | | that executes within the hardware. It is unlike |
| computer software or data that can be frequently | | | | computer software or data that can be frequently |
| changed, modified or erased on a computer. | | | | changed, modified or erased on a computer. |
| Computer hardware is not frequently changed and so | | | | Computer hardware is not frequently changed and so |
| is stored in hardware devices such as read only | | | | is stored in hardware devices such as read only |
| memory (ROM) where it is not readily changed. | | | | memory (ROM) where it is not readily changed. |
| Most computer hardware is embedded and so is not | | | | Most computer hardware is embedded and so is not |
| visible to normal users. Below are the different types | | | | visible to normal users. Below are the different types |
| of hardware's found in a computer. | | | | of hardware's found in a computer. |
| Motherboard: It is the central or primary circuit board | | | | Motherboard: It is the central or primary circuit board |
| making up a complex electronic system such as a | | | | making up a complex electronic system such as a |
| computer. A motherboard is also known as a main | | | | computer. A motherboard is also known as a main |
| board, logic board or system board. | | | | board, logic board or system board. |
| Central processingUnit: A CPU is the main component | | | | Central processingUnit: A CPU is the main component |
| of a digital computer that interprets instructions and | | | | of a digital computer that interprets instructions and |
| process data in computer programs. | | | | process data in computer programs. |
| Random Access Memory:RAM allows the stored data | | | | Random Access Memory:RAM allows the stored data |
| to be accessed in any order. RAM is considered as | | | | to be accessed in any order. RAM is considered as |
| the main memory of the computer where the | | | | the main memory of the computer where the |
| working area is used for displaying and manipulating | | | | working area is used for displaying and manipulating |
| data. | | | | data. |
| Basic Input Output System: BIOS prepares the | | | | Basic Input Output System: BIOS prepares the |
| software programs to load, execute and control the | | | | software programs to load, execute and control the |
| computer. | | | | computer. |
| Computer Bus: It is used to transfer data or power | | | | Computer Bus: It is used to transfer data or power |
| between computer components inside a computer or | | | | between computer components inside a computer or |
| between computers. | | | | between computers. |
| CD-ROM drive: It contains data accessible by a | | | | CD-ROM drive: It contains data accessible by a |
| computer | | | | computer |
| Floppy disk: It is a data storage device. Hard Disk: It | | | | Floppy disk: It is a data storage device. Hard Disk: It |
| is a non-volatile data storage system that stores | | | | is a non-volatile data storage system that stores |
| data on a magnetic surface layered unto hard disk | | | | data on a magnetic surface layered unto hard disk |
| platters. | | | | platters. |