Computers-Changing Society-Ch3
Terms
undefined, object
copy deck
- A to D Converter
- Device that converts analog electric signals into a series of numbers
- Unicode
- Code tht uses 64-bit numbers to represent characters from numerous languages
- Liquid Crystal Display
- Type of display that uses electric fields to change the transparency of liquid cells and are typically much thinner than older style monitors
- Voice Recognition
- Ability to convert speech into ditital files or commands
- Dumb Terminal
- Communication device wiht a keyboard and monitor that depend on another computer for processing and storage
- Flat Screen
- CRT with a less curved screen
- Network Interface Card (NIC)
- Device used to connect a computer to a computer network
- PS/2
- Round connector used for mice and keyboards
- hub
- Multiple port connector
- Byte
- Group of eight bits used to represent characters, decimal numbers, and other special characters (See ASCII)
- ASCII-American Standard Code for Information Interchange
- Group that chooses which eight-bit numbers would represent letters, decimal numbers, and special function characters
- Random Access Memory (RAM)
- Integrated circuits that work with the CPU-processor retrieves data from memory, processes it and returns it to memory
- CD-RW
- Optical disc from which data can be read and to which data can be recorded and rewritten
- CD-R
- Optical disc from which data can be read and to which data can be written
- Digital Versatile Disc (DVD)
- Optical storage on which data can be recorded in layers on both sides
- Key (hardware)
- Projection that requires a plug and receptacle to be properly oriented
- Key (software)
- Binary number used to encrypt or decrypt messages
- Flash Memory
- Memory for use in electronic devices like cameras that remembers data even when disconnected from a power source
- USB Drive
- Removable storage
- Clock
- Device that sends out pulses used to coordinate computer component activity
- Virtual Memory
- Space on hard disk used to supplement pjysical memory
- Physical Memory
- High speed integrated circuits that work directly with the CPU to temporarily store data
- RJ-45
- Standard ethernet connector
- RJ-11
- Standard telephone connector
- Flat Panel
- Thin display that often uses LCD technology
- SCSI (Small Computer System Interface)
- Type of bus connection for high speed data transfer between devices and the computer
- Sleep (see standby)
- Standby-partially powered state