The Components of the System Unit

Similar to their desktop counterparts, notebook computers and handheld computers have a system unit that __________.

• cannot run using a standard power supply

• usually is less expensive than desktop computers with the same capabilities

• contains electronic components that processes data

• houses devices such as the keyboard, pointing devices, speakers, and display

Processor, memory module, expansion cards, ports and connectors are common components inside the system unit.

• True

• False

What is the motherboard?

• The main circuit board in system unit that contains chips, integrated circuits, and transistors

• The secondary circuit board in system unit that contains chips, integrated circuits, and transistors

____________________ is a package that temporarily holds data and instructions while they are being processed by the CPU.

• Port

• Processor

• Expansion card

• memory module

CPU stands for?

• central processing unit

• common processing unit

The CPU Interprets and carries out basic instructions that operate a computer.

• True

• False

The CPU has little impact on overall computing power and has no affect on most of a computer’s operations.

• True

• False

How is the CPU’s speed measured?

• MIPS

• MPIS

• MSPI

ALU stands for arithmetic/login unit?

• True

• False

Temporary storage area that holds data and instructions

• Register

• System clock

• ALU

• processor