COM 140 Exam (ECC4 to ECC26)
Questions and Answers
Mainframe Computers - ANS-Large, powerful computers that are used for centralized
storage, processing, and management of very large amounts of data.
Midrange Computer - ANS-Refrigerator-sized machines falling in between
microcomputers and mainframes in processing speed and data-storing capacity.
Medium-sized companies or departments of large companies use midrange computers.
Supercomputers - ANS-The largest and fastest computers, used by large corporations
and government agencies when the tremendous volume of data would seriously delay
processing on a mainframe computer.
Hardware - ANS-Computer hardware refers to the physical parts of a computer and
related devices. Internal hardware devices include motherboards, hard drives, and
RAM. External hardware devices include monitors, keyboards, mice, printers, and
scanners.
Software - ANS-A general term used to describe computer programs such as
applications and operating systems.
Processing - ANS-A task a computer carries out with data.
Commands - ANS-Instructions that you give to a computer for it to carry out an action.
Commands are either typed by using a keyboard or are chosen from a menu.
Motherboard - ANS-A circuit board that contains all of the computer system's main
components.
Circuit board - ANS-A printed circuit that can be inserted into expansion slots in a
computer to increase the computer's capabilities.
DVD-RW/Digital Versatile Disk Rewritable - ANS-It is like a DVD-R but can be erased
and written to again. Like CD-RWs, these must be erased in order for new data to be
added. This can hold 4.7GB of data and do not come in double-layered or double-sided
versions like DVD-Rs do.
DVD+RW - ANS-Digital versatile disc (DVD) discs that can be rewritten to, and data can
also be overwritten. This standard is newer than DVD-RW. This term also refers to the
drives that can write to these discs.
, BD-R/Blu-ray disc recordable - ANS-Can be recorded on one time.
Kilobytes per second/KbPS - ANS-The measurement of the speed at which information
is transferred.
Blu-ray disc - ANS-Which are used for storing high-definition video, store up to 500 GB
of data on up to 20 layers.
Flash memory/Solid state storage - ANS-A type of nonvolatile memory that can be
erased electronically and rewritten. Is similar to ROM
Network - ANS-A group of computers that are connected to share resources and
exchange information.
Chip - ANS-Which is an integrated circuit embedded in semiconductor material that is
mounted on the motherboard and is responsible for executing instructions to process
data.
Dual-core processor - ANS-A single chip with more than one processing core; it acts
like two processors but requires only one socket on the motherboard.
Quad-core processor - ANS-A chip with four seperate processor cores.
Expansion Cards/Cards - ANS-A circuit board inserted into a slot on the motherboard to
enhance the capability of the computer.
Graphics card/Graphics Processor/built-in graphics card/video display adapter/video
card - ANS-An interface card installed in the computer to control visual output on a
monitor.
Input device - ANS-Data entered into the computer through a variety of devices such as
a keyboard, microphone, scanner, flash drive, or mouse.
Ergonomic - ANS-The science of creating devices so that they fit well with the human
body. Ergonomic keyboards and mice possess body fitting contours and are designed
to reduce the stresses placed on their operators.
Scroll Wheel - ANS-A wheel on some mouse devices used to navigate through a
document onscreen.
Trackball - ANS-Pointing device that works like a mouse turned upside down; controls
the movement of the on-screen pointer.
Output device - ANS-A device used to output data from a computer. Includes printers,
faxes, data storage drivers, screens, and plotters.
Questions and Answers
Mainframe Computers - ANS-Large, powerful computers that are used for centralized
storage, processing, and management of very large amounts of data.
Midrange Computer - ANS-Refrigerator-sized machines falling in between
microcomputers and mainframes in processing speed and data-storing capacity.
Medium-sized companies or departments of large companies use midrange computers.
Supercomputers - ANS-The largest and fastest computers, used by large corporations
and government agencies when the tremendous volume of data would seriously delay
processing on a mainframe computer.
Hardware - ANS-Computer hardware refers to the physical parts of a computer and
related devices. Internal hardware devices include motherboards, hard drives, and
RAM. External hardware devices include monitors, keyboards, mice, printers, and
scanners.
Software - ANS-A general term used to describe computer programs such as
applications and operating systems.
Processing - ANS-A task a computer carries out with data.
Commands - ANS-Instructions that you give to a computer for it to carry out an action.
Commands are either typed by using a keyboard or are chosen from a menu.
Motherboard - ANS-A circuit board that contains all of the computer system's main
components.
Circuit board - ANS-A printed circuit that can be inserted into expansion slots in a
computer to increase the computer's capabilities.
DVD-RW/Digital Versatile Disk Rewritable - ANS-It is like a DVD-R but can be erased
and written to again. Like CD-RWs, these must be erased in order for new data to be
added. This can hold 4.7GB of data and do not come in double-layered or double-sided
versions like DVD-Rs do.
DVD+RW - ANS-Digital versatile disc (DVD) discs that can be rewritten to, and data can
also be overwritten. This standard is newer than DVD-RW. This term also refers to the
drives that can write to these discs.
, BD-R/Blu-ray disc recordable - ANS-Can be recorded on one time.
Kilobytes per second/KbPS - ANS-The measurement of the speed at which information
is transferred.
Blu-ray disc - ANS-Which are used for storing high-definition video, store up to 500 GB
of data on up to 20 layers.
Flash memory/Solid state storage - ANS-A type of nonvolatile memory that can be
erased electronically and rewritten. Is similar to ROM
Network - ANS-A group of computers that are connected to share resources and
exchange information.
Chip - ANS-Which is an integrated circuit embedded in semiconductor material that is
mounted on the motherboard and is responsible for executing instructions to process
data.
Dual-core processor - ANS-A single chip with more than one processing core; it acts
like two processors but requires only one socket on the motherboard.
Quad-core processor - ANS-A chip with four seperate processor cores.
Expansion Cards/Cards - ANS-A circuit board inserted into a slot on the motherboard to
enhance the capability of the computer.
Graphics card/Graphics Processor/built-in graphics card/video display adapter/video
card - ANS-An interface card installed in the computer to control visual output on a
monitor.
Input device - ANS-Data entered into the computer through a variety of devices such as
a keyboard, microphone, scanner, flash drive, or mouse.
Ergonomic - ANS-The science of creating devices so that they fit well with the human
body. Ergonomic keyboards and mice possess body fitting contours and are designed
to reduce the stresses placed on their operators.
Scroll Wheel - ANS-A wheel on some mouse devices used to navigate through a
document onscreen.
Trackball - ANS-Pointing device that works like a mouse turned upside down; controls
the movement of the on-screen pointer.
Output device - ANS-A device used to output data from a computer. Includes printers,
faxes, data storage drivers, screens, and plotters.
