Question | Answer |
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 |