Quiz 1 Flashcards
(50 cards)
Major functions of a computer
input, process, output, storage
binary language
basic form of a computer
One byte
eight bits
1 TB
around 1 trillion bytes
1 GB
Around 1 billion bytes
1 MB
Around 1 million bytes
Peripheral Device
A component, such as a monitor or keyboard, that connects to the computer through data ports
Embedded Computer
Specially designed computer that resides in another device
Super Computer
Specially designed computer that can perform complex calculations extremely rapidly
Function Keys
Shortcut keys to perform special tasks in software
Control Keys
Used with other keys to perform shortcuts
Toggle Keys
Keys whose function changes between twp options such as Caps Lock
Pixel
Monitor screens are grids made up of millions of tiny dots
screen resolution
The number of pixels on the screen
Contrast Ratio
Difference in light intensity between the brightest white and the darkest black a monitor can produce
Motherboard
The main circuit board that contains the central electronic components of the computer
Sound Card
Expansion card on the motherboard that provides a connection for the speakers and microphone
Video Card
Expansion card on the motherboard that provides a connection for the monitor
Expansion card installed in motherboard for viewing images
NIC
Expansion card on the motherboard that provides a means for network and Internet connections
Volatile Storage
The entire contents of this type of memory are erased when you turn off the computer
Example of non-volatile storage
ROM, HDD, flash drive, flash memory card
Hertz (Hz)
A measurement of machine cycles per second that is also used to measure processor speed
Multi-Core
Allowing CPU to process two or more separate programs at the same time instead of switching back and forth between them
SSD
the type of hard drive that has no moving part, so they are more efficient, run with no noise, emit little heat, and require little power