Inside Tour

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Inside Tour : 

Inside Tour 3

Inside Components : 

Inside Components

Power Supply : 

Power Supply Converts 120 volts of ac power to dc voltage levels used by various PC components. DC voltage levels are usually 3.3, 5, and 12.

Hard Drive : 

Hard Drive The hard drive is used to store computer programs and data. Made of several disks which are stacked inside a sealed box. Data is transmitted through a data cable.

CD-ROM / DVD Drive : 

CD-ROM / DVD Drive CD-ROM and DVD drives use the same types of data cable as the hard drive.

Motherboard : 

Motherboard The motherboard provides the electrical energy paths to the computer components and expansion slots.

CPU : 

CPU The central processing unit (CPU) carries out program code. The cooling fan mounts to CPU to assist in cooling.

Random Access Memory : 

Random Access Memory Random access memory (RAM) is … Classified as volatile memory. The location where programs are loaded to from the hard drive. Mounted into several parallel slots on the motherboard.

BIOS : 

BIOS Basic input/output system (BIOS) is a non-volatile memory chip called an EEPROM or Flash ROM. Consists of software programs that support the compatibility between the CPU and computer hardware. Includes the BIOS Setup program.

CMOS : 

CMOS A complementary metal oxide semiconductor is … A volatile storage area, which stores the BIOS Setup program data. Located in the motherboard’s chipset. Powered by a battery.

Expansion Cards and Slots : 

Expansion Cards and Slots Expansion cards enhance or expand a computer’s capabilities. Also called interface cards or adapter cards. Fit into expansion card slots.

Review : 

Review Identify the following component. Power supply

Review : 

Review Identify the following component. Hard drive

Review : 

Review Identify the following components. Motherboard 4. Expansion card slots Memory slots 1. CPU 3. Cooling fan 2. Battery 5. 6.