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Hardware Basics 0314

Chapter 2 - Hardware Basics Vocabulary

List the units of binary code from smallest to largest. Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte
What are the most common types of input devices? Keyboards, Mice, Scanners, Graphic Tablets, Microphones, Digital Cameras (still and video), Web Cams, Electronic Whiteboards, PDAs, “Clickers,” Joysticks, Cell Phones
What are the most common types of output devices? Monitors, Printers, Speakers, Projectors, Document Cameras, Portable Media Players
What sorts of monitor adaptations exist for special learners? Screen Magnifier, Anti-Glare Filters, Monitor Mounts, Speech Output Software, Refreshable Braille Display
What sorts of mouse and keyboard adaptations exist for special learners? Arm and Wrist Supports, Alternate Keyboards, Keyguards, Moisture Guards, Alternative labels, Adjustable Wand or Stick, Touch Screen, Switches, Electronic Pointing Devices, Joysticks, Trackballs
What is GUI? Pronounced “gooey,” GUI stands for Graphical User Interface. This means that a computer’s system software provides menus and icons representing commands and programs.
What types of ports can be used to connect to a computer? Parallel Port, USB Port, Ethernet Port, Firewire Port, Audio and Video Ports
What is the internal storage within a computer? Hard Disc Drive
What options are available for external computer storage? External Hard Drives, USB Drives, CD-ROM, CD-R, CD-RW, DVD-ROM, Blu-ray
How is a monitor’s resolution measured? Pixels
How is a printer’s resolution measured? DPI (Dots Per Inch)
Define cache. “…a temporary storage area that provides a quick access to information. The processor uses a cache as does browser software. The cache prevents the computer from having to access memory again from the CPU.” (38)
What is the difference between RAM and ROM? RAM = temporary memory; designed to hold new data; only while the computer is turned on. ROM = permanent internal memory inside system; inaccessible by user; stores instructions that are installed or programmed at the manufacturer (37)
What is ASCII? A binary coding system made up of zeros and ones, ASCII, pronounced “ask-ee,” stands for American Standard Code for Information Interchange.
How is processor speed measured? Megahertz (MHz) – one million cycles per second; Gigahertz (GHz) – one billion cycles per second
Created by: KeliJackson