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Ist 101 ch 2
Terms in this set (62)
it gathers data, or allows users to enter data
it manipulates, calculates, or organizes the data into information
it displays data and info in a form suitable for the user
it saves data and info for later use
data taht has been organized or presented in a meaningful fashion
how do computers process data into information
they work exclusively with numbers. its language is called binary language
language the computer use to process data
Binary digit or bit
0's and 1's
is eight binary digits
what else can bits and bytes be used for
they represent the quality of data and info that the computer input and outputs
any part of the computer you can physically touch
the set of computer programs that enables the hardware to perform different task
set of programs you use on a computer to help you carry out tasks such as writing papers
set of programs that enables your computers hardware devices and applications software to work together.
Operating system OS
the program that controls how your computer system functions. manages hardware
is a component such as a monitor or keyboard that connects to the computer
a large, expensive computer that supports many users simultaneously
specially designed computer that can perform complex calculations extremely rapidly
a specially designed computer chip that resides in another device, such as your CARor the electronic thermostat in your home
uses an internal sensor or laser to detect the mouse's movement
the width-to-height prortion of a monitor
clearness or sharpness of the image, reflects the number of pixels on the screen
inkjet printer, spray ink or uses laser beams to transfer marks onto the paper
tiny hammer like keys that strike the paper through an inked ribbon to make marks on the printer
they are affordable and produce high quality printouts quickly and quietly
Factors to consider when shopping for monitor
the difference between computer access and no computer access
RAM (random access memory)
place in a computer where the program and data the computer is currently using are stored..
LCD liquid crystal display
flat panel monitor and light and energy efficient
LED light emitting diode
energy efficient and may have better color accuracy and thinner panel
computing devices that use techniques , parts, and methods that are no longer popular
main circuit board that contains the central electronic components of the computer. Contains cpu, rom ram
or adapter cards. circuit boards that provide additional functionality
provides connection for the speaker and microphone
provides connection for the monitor
Network interface card NIC
enables your computer to connect with other computers or to a cable modem to facilitate a high-speed internet connection
Ram is much faster to read from and write to than the hard drive and other form of storage
RAM is a ______ location. memory is deleted after the power is turned off
ROM is a _______location which means the data isnt erased when the power is turned off
How is processor speed measured?
it is measured by units of hertz Hz.
measurement of machine cycles per second
process of the CPU getting the data or instruction from RAM and decoding the instructions into something the computer understand
what determines processor performance?
Speed, number of cores or processing path.
Internal Hard drive
resides with in the system unit and usually holds all permanently stored programs and data.
external hard drive
offer similar storage capacities as internal hard drive but resides out side the system unit and connect to the computer via USB
Solid-slate Drive SSD
it has no moving part and type of a hardware
permanent storage devices are located in your desktop or laptop computer in a space called _______
Internal drive bays
cannot be seen or accessed from outside the system unit (drive bays)
external drive bays
seen and accessed from outside the system unit (drive bays)
uses a solid state flash memory, storing information on an internal memory, storing information on a internal memory chip.
flash memory card
it can read from and maybe even write to CDs DVD or blu ray discs.
data is saved to such discs as __________________
Cds blue ray disk dvd
a place through which a peripheral device attaches to the computer so that data can be exchange between it and the OS
Most common way to connect devices to a computer?
usb port is the most commonly used to connect input and output to the computer
port that can give you access to networks and the internet
it is housed inside the system unit, transforms the wall voltage t othe voltages required by computer chips
powering On the computer from a completely turned off state
data is stored on your hard drive instead of in ram and your computer is off
all of the documents applications and date you were using remain in RAM.
restarting system while its powered on
THIS SET IS OFTEN IN FOLDERS WITH...
Ist 101 Ch 4
IST 101 CSUSB FINAL
IST 101 CHAPTER 1
IST 101 Chapter 3
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