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CS&E 100
terms
60
Computer Science
Undergraduate 1
04/24/2012

Additional Computer Science Flashcards

 


 

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Term
Resolution
Definition
This term can describe either how many pixels a monitor can display or how fine a printer can print.
Term
OCR
Definition
Stands for "Optical Character Recognition." This technology is what allows you to scan that paper you lost on your hard drive, but fortunately printed out, back into your computer.
Term
shareware
Definition
With shareware, you can use the product for a trial period and then decide if you want to keep it.
Term
open source
Definition
it means the program's source code is freely available to the public.
Term
midrange server
Definition
Term
mainframe
Definition
an ultra high-performance computer made for high-volume, processor-intensive computing. They are typically used by large businesses and for scientific purposes.
Term
supercomputer
Definition
a high performance computing machine designed to have extremely fast processing speeds.
Term
public-domain software
Definition
Term
dialog box
Definition
serves to initiate a dialog with the user. It is a window that pops up on the screen with options that the user can select
Term
font sizes
Definition
1/72nd of an inch
Term
machine cycle
Definition
Term
GHz
Definition
One gigahertz is equal to 1,000 megahertz (MHz) or 1,000,000,000 Hz. It is commonly used to measure computer processing speeds.
Term
RAM
Definition
Stands for "Random Access Memory,"
made up of small memory chips that form a memory module. These modules are installed in the RAM slots on the motherboard of your computer.
Term
ROM
Definition
Stands for "Read-Only Memory."
is memory containing hardwired instructions that the computer uses when it boots up, before the system software loads
Term
CMOS
Definition
Stands for "Complementary Metal Oxide Semiconductor." This technology is typically used in making transistors.
Term
flash
Definition
allows Web developers to incorporate animations and interactive content into their websites.
Term
bus
Definition
measured in bits (such as 32-bit or 64-bit), that determines how much data can travel across the bus at one time. Buses also have a certain speed, measured in megahertz, which determines how fast the data can travel.
Term
registry
Definition
database used by Microsoft Windows to store configuration information about the software installed on a computer. This information includes things like the desktop background, program settings, and file extension associations.
Term
booting
Definition
In simple terms, to boot a computer is to turn it on
Term
thrashing
Definition
Term
spooling
Definition
is the process of a sending data to a spool, or temporary storage area in the computer's memory. This data may contain files or processes.
Term
virus
Definition
small programs or scripts that can negatively affect the health of your computer. These malicious little programs can create files, move files, erase files, consume your computer's memory, and cause your computer not to function correctly.
Term
Trojan horse
Definition
are software programs that masquerade as regular programs, such as games, disk utilities, and even antivirus programs. But if they are run, these programs can do malicious things to your computer.
Term
worm
Definition
One refers to a computer virus and the other is an optical storage technology
Term
data
Definition
information processed or stored by a computer.
Term
system unit
Definition
also known as a "tower" or "chassis," is the main part of a desktop computer. It includes the motherboard, CPU, RAM, and other components.
Term
client
Definition
an office has a server that stores the company's database on it, the other computers in the office that can access the datbase are "clients" of the server.
Term
server
Definition
a computer that provides data to other computers.
Term
NIC
Definition
for "Network Interface Card.
this is the card that physically makes the connection between the computer and the network cable.
Term
network
Definition
When you have two or more computers connected to each other
Term
GUI
Definition
Stands for "Graphical User Interface," and is pronounced "gooey." It refers to the graphical interface of a computer that allows users to click and drag objects with a mouse instead of entering text at a command line.
Term
serif
Definition
Term
san serif
Definition
Term
what-if analysis
Definition
Term
query
Definition
is another word for question
search engines of database questions
Term
motherboard
Definition
is the main circuit board of your computer and is also known as the mainboard or logic board.
the biggest piece of silicon you see.
Term
CPU
Definition
Stands for "Central Processing Unit." This is the pretty much the brain of your computer. It processes everything from basic instructions to complex functions.
Term
bit
Definition
is a single digit number in base-2 (a zero or a one) and is the smallest unit of computer data.
Term
byte
Definition
a unit of measurement used to measure data. One byte contains eight binary bits
Term
USB
Definition
Stands for "Universal Serial Bus."
It can be used to connect keyboards, mice, game controllers, printers, scanners, digital cameras, and removable media drives
Term
ALU
Definition
Stands for "Arithmetic Logic Unit." An ALU is an integrated circuit within a CPU or GPU that performs arithmetic and logic operations.
Term
integrated circuit
Definition
small chip that can function as an amplifier, oscillator, timer, microprocessor, or even computer memory.
Term
MIP
Definition
Stands for "Million Instructions Per Second." It is a method of measuring the raw speed of a computer's processor.
Term
system clock
Definition
Term
chip
Definition
a piece of silicon with an electonic circuit embedded in it.
Term
fetching
Definition
Term
decoding
Definition
Term
heat sinks
Definition
dissipates the heat from the processor, preventing it from overheating.
Term
registers
Definition
Term
EBCDIC
Definition
Term
ASCII
Definition
American Standard Code for Information Interchange." ASCII character encoding provides a standard way to represent characters using numeric codes.
Term
unicode
Definition
is a universal character encoding standard. It defines the way individual characters are represented in text files, web pages, and other types of documents.
Term
gigabyte
kilobyte
megabyte
terabyte
Definition
kilobyte = smallest
megabyte
gigabyte
tetrabye= largest
Term
paging
Definition
is one of the memory-management schemes by which a computer can store and retrieve data from secondary storage for use in main memory
Term
swap
Definition
move (a piece of a program) into memory
Term
Operating System
Definition
is software that communicates with the hardware and allows other programs to run.
Term
BIOS
Definition
Stands for "Basic Input/Output System."
a program pre-installed on Windows-based computers (not on Macs) that the computer uses to start up.
Term
virtual memory
Definition
increases the available memory your computer has by enlarging the "address space," or places in memory where data can be stored
Term
toggle
Definition
the input from a group of keys on a keyboard between two different input modes.
Term
optical mouse
Definition
uses a light-emitting diode and photodiodes to detect movement relative to a surface. (laser mouse)
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