Introducing Networks and the Internet Mrs. Wilson Dreamweaver for College & Business Rocky Point High School

Desktop Computing HARDWARE: Physical Components

Input/OutputDevices Data and instructions are entered into a computer using input devices. Can you name any? Processed data is conveyed using output devices.

Examples of Input Devices Keyboard Mouse Scanner Microphone Digital Camera CD-RW/DVD drive Disk Drive

Examples of Output Devices Monitors Printers CD-RWs Disk Drives Memory Keys Speakers

Peripheral Devices In computing, any item connected to a computer’s central processing unit (CPU) through a port. Ports can be USB, Bluetooth, FireWire, parallel and serial. Typical peripherals include keyboard, mouse, monitor, and printer. Users who enjoy playing games might add a joystick or a trackball.

Hardware & Software Hardware Physical components You can “touch” them You cannot “touch” it Comes on CD ROMs Can be downloaded Can be developed Operating/Application

CPU—Central Processing Unit Manufacturers Intel AMD Model Names (processors) Pentium 4 Opteron Can you tell me the latest and the greatest model?

Real-Time Clock A battery chip called a real-time clock keeps track of the date and time in a computer EVEN when the computer is off. When the first true personal computer, the Apple II, was introduced in 1978, the state of the art did not include computers having clocks.

Pentium “D”

Mobile Computing Improved technology Computers come in all sizes and shapes Notebooks Tablets Handhelds Smart Phones “Wearables”

Terms to Know Bluetooth Handheld Computers Mobile Computing Software Hardware Scanner Printer Peripheral CPU Ports Processors Real-time Clock