COMPUTER FUNDAMENTALS

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COMPUTER HARDWARE

MOTHERBOARDS AND EXPANSION CARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
You find out that a disgruntled ex-employee’s computer has a boot password that must be entered before the operating system is ever loaded. There is also a password preventing your access to the BIOS utility. Which of the following motherboard components can most likely be used to return the computer to a state that will allow you to boot the system without knowing the password?
A
Cable header
B
Power supply connector
C
Expansion slot
D
Jumper
Explanation: 

Detailed explanation-1: -Motherboard. This is a printed circuit board that holds the central processing unit (CPU) and other essential internal hardware and functions as the central hub that all other hardware components run through.

Detailed explanation-2: -Originally, BIOS firmware was stored in a ROM chip on the PC motherboard. In later computer systems, the BIOS contents are stored on flash memory so it can be rewritten without removing the chip from the motherboard.

Detailed explanation-3: -DIMMs used in desktop-motherboard applications have one of three possible pin counts. SDR SDRAM is implemented on 168-pin modules. DDR SDRAM and 16-bit RIMMs are implemented on 184-pin modules. DDR2 and DDR3 are implemented on 240-pin modules with different keying.

Detailed explanation-4: -The read-only memory (ROM) is a permanent data storage that holds information the computer needs that doesn’t change. For example, a type of ROM memory is your computer’s BIOS-basic input/output system.

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