Computer Apps Modules 1-3 Flashcards
Voice Synthesizer
Software that converts text to speech
What should you do before removing a flash drive, external hard drive, or SSD from your device?
Tell the computer to “eject” the device (found in taskbar)
Virtual Machine
An emulation of a computer system that allows you to use multiple operating systems on a single device
What 4 primary things are mobile OSs designed for?
Touchscreen compatibility
Wifi Connectivity
Graphical User interface
Fast File Transfer
Program
A set of instruction given to a computer
Process
An activity performed by a computer
Constructed from threads
Thread
A small sequence of activity
Multi-threading
A setup that allows multiple threads to run simultaneously
Parallel Processing
Two or more threads running simultaneously by using multiple processers
In windows, how to select multiple non-sequential files?
Hold cntrl while clicking
Buffer
Temporary memory of input and output data
Spooling
Buffering large amounts of info in a cue on your hard drive
Placing data into a buffer
Badge
A small number displayed on an app’s icon showing how many notifications it has
Defragmentation
Coalescing of fragments of a file so they’re all stored contiguously
Central Processing Unit / CPU
A complex circuit used in all computers to convert inputs into outputs
Bus
A set of wires that transmits data into and out of the CPU
Processor Core
A unit inside a processor that allows it to execute instructions
Read-only memory / ROM
A chip that contains instructions to start the computer
Contains permanent, unchanging, critical instructions
Firmware
Data that is embedded in hardware
Bit
The smallest unit of data a computer can process
8 Digits of binary
Byte
A group of 8 bits, which can represent a single character
Solid State Drive / SSD
A hard drive that does not have moving parts
Most often found on mobile devices due to greater durability
Optical Media
Data stored on discs and ready via laser
CD, DVD, etc
Device Driver
A program that controls a periphery attached to your computer