Computer Hardware Personal Computer Basics Personal computer: Computer system include peripheral devices(input,output and storage equipment) Components: 1-System unit is case that Top Cover Panel hold the components. Front f Frame Back Ot Frome 2-Keyboard Power Cord Exernel 5.25' P角ug Dnve Bays 3-Mouse Ports Extarnalmemel 4-Hard disk drive 35 Drive Bays Power Supply Power Supply LEDand 5-CD and DVD drives Fan Vent IO Template 6-Storage Expansion Siot inserts 7-Sound system Drive Power Vent Holes Connectors 8-Display System(LCD CRT) Feet Bottom Of Freme 9-Network and Internet access (Back Peir) 10-Printer
Computer Hardware Personal computer: Computer system include peripheral devices ( input, output and storage equipment) Components: 1-System unit is case that hold the components. 2- Keyboard 3- Mouse 4- Hard disk drive 5- CD and DVD drives 6- Storage 7- Sound system 8- Display System ( LCD & CRT) 9- Network and Internet access 10- Printer Personal Computer Basics
Types of Computers ·1-Tower ·2-Desktop ·3-mini Case 4-computer the circuitry is integrated into the back of flat-panel screen. 5-Portable computer Notebook and Netbook ·6-table computer 7-Ultra-mobile computer Home computers-Media Centre PC- Business systems-Game computers There are three personal computers platforms: 1-PC 2-Mac 3-Linux
• 1- Tower • 2- Desktop • 3- mini Case • 4- computer the circuitry is integrated into the back of flat-panel screen. • 5- Portable computer Notebook and Netbook • 6- table computer • 7- Ultra- mobile computer • Home computers - Media Centre PC - Business systems - Game computers There are three personal computers platforms: 1- PC 2- Mac 3- Linux Types of Computers
Microprocessors and Memory Microprocessor (Processor): Intel pentium 3.2 GHz(Million cycles per second): Microprocessor's clock operates at a speed of 3.2 billion per second) intel. The speed of the microprocessor clock-a entium4 timing 800M9SBromtSiae us): instructions Refers to the circuitry that transports data to and from the microprocessor. ·Vord size: A number of bits that the microprocessor can manipulate at one time.e.g.32-bits or 64-bits (32 bits registers or 64-bits) 2 MB Cache (Cash)measured in KB. 。Cash: is special high-speed memory that allows a microprocessor to access data more rapidly than memory
Microprocessor (Processor): • Intel pentium 3.2 GHz (Million cycles per second): • 800M Hz FSB (front side bus): Refers to the circuitry that transports data to and from the microprocessor. • Word size: A number of bits that the microprocessor can manipulate at one time. e.g. 32-bits or 64-bits (32 bits registers or 64-bits) • 2 MB Cache (Cash) measured in KB. • Cash: is special high-speed memory that allows a microprocessor to access data more rapidly than memory. Microprocessors and Memory The speed of the microprocessor clock- a timing device that sets the pace for excuting instructions Microprocessor’s clock operates at a speed of 3.2 billion per second)
Microprocessors and Memory CISC(Complex instruction set computer)technology. RISC (Reduced instructions set computer)technology. RISC processor performs instructions faster than CISC. Microprocessor excute more than one instructions at a time 1-Serial processing (one by one),one instruction at a time. 2-Pipelining processing(Starting with next before it completes the pervious) 3-Parallel processing (Multiple instructions are excuted at the same time)
• CISC (Complex instruction set computer) technology. • RISC (Reduced instructions set computer)technology. RISC processor performs instructions faster than CISC. Microprocessor excute more than one instructions at a time 1- Serial processing (one by one) , one instruction at a time. 2- Pipelining processing (Starting with next before it completes the pervious) 3- Parallel processing (Multiple instructions are excuted at the same time) Microprocessors and Memory
Today's Microprocessors AMD(Advanced Micro Devices) Intel Opteron Core Althlon 64 Xeon Turion 64 Itanium Sempron Pentium D Mobile Sempron Pentium Extreme Edition Celeron /Celeron M Pentium 4 Intel Atom Intel Core i7 Overclocking is a technique for increasing the speed of CPU,GPU,motherboard and memory (Dont try it)
AMD( Advanced Micro Devices) Intel Opteron Core Althlon 64 Xeon Turion 64 ltanium Sempron Pentium D Mobile Sempron Pentium Extreme Edition Celeron / Celeron M Pentium 4 Intel Atom Intel Core i7 Today’s Microprocessors Overclocking : is a technique for increasing the speed of CPU, GPU, motherboard and memory (Dont try it)