Essential Computer Concepts

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• Search Engine
• BIOS

Physical components of a computer

• software

• input devices

• hardware

The main electronic component inside the computer

• CPU
• RAM
• motherboard
• hard disk drive

Responsible for executing instructions

• CPU
• RAM
• ROM
• CMOS

Holds information temporarily while the computer is on

• CPU
• RAM
• ROM
• CMOS

Permanently stores instructions for the boot-up process

• CPU
• RAM
• ROM
• CMOS

Stores device drivers and points to the BIOS

• CPU
• RAM
• ROM
• CMOS

File

• Named collection of data
• Could be a document, spreadsheet, powerpoint
• All of the above
• None of the above

.exe

• Executable file
• Stores instructions
• Suspicious as an email attachment
• All of the above

Hard Drive

• Magnetic storage device
• Storage device with pits