Chapter04 - Chapter 4 The Components of the System Unit...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4 The Components of  the System Unit
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 4 Objectives Differentiate among various styles of system units Identify chips, adapter cards, and other components of a motherboard Describe the components of a processor and how they complete a machine cycle Identify characteristics of various personal computer processors on the market today Define a bit and describe how a series of bits represents data Explain how programs transfer in and out of memory Differentiate among the various types of memory Describe the types of expansion slots and adapter cards Explain the difference among a serial port, a parallel port, a USB port, and other ports Describe how buses contribute to a computer’s processing speed Identify components in mobile computers and mobile devices Next
Background image of page 2
The System Unit What is the system unit ? p. 180 Fig. 4-1 Next Case that contains electronic components of the computer used to process data Sometimes called the chassis
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The System Unit What are common components inside the system unit? p. 181 Fig. 4-2 Next Memory Adapter cards Sound card Modem card Video card Network card Ports Drive bays Power supply power supply ports drive bays processor memory sound card video card modem card network card Processor
Background image of page 4
The System Unit What is the motherboard ? p. 182 Fig. 4-3 Next Main circuit board in system unit Contains adapter cards, processor chips, and memory chips Also called system board processor chip adapter cards memory chips memory slots motherboard Expansion slots for adapter cards Click to view Web Link, click Chapter 4, Click Web Link from left navigation, then click Clock Motherboards below Chapter 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The System Unit What is a chip ? p. 182 Fig. 4-4 Next dual inline packages (DIP) holds memory chips pin grid array (PGA) package holds processor chips Small piece of semi-conducting material on which integrated circuits are etched Click to view animation Integrated circuits contain many microscopic pathways capable of carrying electrical current Chips are packaged so they can be attached to a circuit board
Background image of page 6
Processor Processor Arithmetic Arithmetic Logic Unit (ALU) Logic Unit (ALU) Processor What is the central processing unit (CPU) ? p. 183 Fig. 4-5 Next Input Input Devices Devices Storage Storage Devices Devices Output Output Devices Interprets and carries out basic instructions that operate a computer Memory Data Data Information Instructions Instructions Data Data Informatio Informatio n Instructions Instructions Data Informatio n Control Control Unit Unit Control unit directs and coordinates operations in computer Arithmetic logic unit (ALU) performs arithmetic, comparison, and logical operations Also called the processor
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Processor Control Unit Memory ALU Processor What is a machine cycle?
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/21/2009 for the course CHEM 130 taught by Professor Kia during the Spring '09 term at Abraham Baldwin Agricultural College.

Page1 / 54

Chapter04 - Chapter 4 The Components of the System Unit...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online