Lecture 4 Ch3 Flashcards
What is hardware that gives users the ability to enter data and instructions into the computer’s random access memory (RAM)
Input device
What is data or instructions entered into computer
Input
What are some input device
Keyboard and enhanced keyboards
What is a grid of circuits located under the keys calls
Key matrix
What is a chart that tells the processor what key has been pressed
Character Map
What is linking for Veridical line,underscore, or highlighted box
Insertion point
What is connected to the computer through infrared (IR), radio frequency (RF), or Bluetooth connection
Wireless keyboards
What controls and on-screen pointers movements
Pointing device
What is an on-screen symbol that signifies the command, input or possible response
Pointer
What enables users to see, hear or feel the end result of processing operations
Output devices
What are some output devices
Monitors and printer
What displays a temporary copy (soft copy) Of processed data
Monitors
What kind of monitors are there
Cathode–Ray tube (CRT). Liquid crystal display (LCD). Passive – matrix (also known as dual scans). Active – matrix (also known as the – film transfer[TFT] technology)
What is the processes of saving software and data
Storage
What is the primary memory
Ram
What was required during the computer system set up operation
Storage devices
What is the most important storage device
Hard disk drive(hard drive)-Considered secondary storage
What are rapidly rotating disks on which programs, data, and process results are stored
Platters
What has can edit bands on which data is recorded
Trackers
What are damaged portions of the disc that cannot reliably hold data
Bad sectors
What determines how quickly the read/write head can get into position to transfer data
Positioning Performance
What determines how quickly the transfer is made from the disk to storage
Transfer performance
What permits retrieval of storage of data by any computer connected to the network
Network attached storage (NAS)
What is storage on a server that is available through the Internet
Remote storage (Internet hard drive)
