All computer keyboards have __ that includes letters of the alphabet, numbers, punctuation, and other basic keys.
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trackball
Similar to a mechanical mouse; a stationary pointing device with a ball on its top or side
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touch screen
Touch-sensitive display device that users interact with by touching the screen with a finger
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TRUE
[T/F] When the processor needs an instruction or data, it searches memory in this order: L1 cache, then L2 cache, then L3 cache (if it exists), then RAM — with a greater delay in processing for each level it must search.
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do not have to be aligned but must be within
Bluetooth printing is more convenient than infrared printing because Bluetooth devices ________ an approximate 30-foot range.
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follows alphabetically after that of all the hard disks
The drive designation of an optical disc drive, into which the disc would fit, usually ________.
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FALSE
[T/F] Information on a display device, sometimes called hard copy, exists electronically and appears for a temporary period.
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FALSE
[T/F] Most mobile computers and devices separate the display and other components into a different physical case.
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infrared
With ________ printing, a printer communicates with a device using light waves.
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toner
A printer creates images using a laser beam and powdered ink, called ________.
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memory
A(n) ________ module, which is a small circuit board where RAM chips usually reside, being inserted into the motherboard.
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slots
Memory ________ on the motherboard hold the memory modules.
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cursor
Keyboards contain keys that allow users to position the insertion point, also known as a(n) ________ in some programs.
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system
The ________ unit is a case that contains electronic components of the computer used to process data.
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FALSE
[T/F] L2 cache is slightly faster than L1 cache but has a much smaller capacity.
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page description language (PDL)
A printer uses software that enables it to interpret a(n) ________, which tells the printer how to lay out the contents of a printed page.
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FALSE
[T/F] The higher the nits of an LCD monitor or LCD screen, the dimmer the images.
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laser
A(n) ________ is a high-speed, high-quality nonimpact printer.
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TRUE
[T/F] In addition to games, joysticks, wheels, and gamepads that include force feedback are used in practical applications such as in the military and aviation.
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line printers and dot-matrix
Commonly used nonimpact printers include all of the following except ________.
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PCL
Developed by Hewlett-Packard, a leading printer manufacturer, ________ is a standard printer language that supports the fonts and layout used in standard office documents.
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transistor
A(n) ________, which is contained on an integrated circuit, can act as an electronic switch that opens or closes the circuit for electrical charges.
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bluetooth
With ________ printing, a computer or other device transmits output to a printer via radio waves.
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FALSE, expansion bus
[T/F] A system bus allows the processor to communicate with peripherals.
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FALSE, contrast
[T/F] Pixel pitch describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor.
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FALSE
[T/F] For a right-handed user, the left button usually is the secondary mouse button.
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a series of instructions that tells a computer what to do and how to do it
A program is ________.
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mother
The ________ board is the main circuit board of the system unit.
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TRUE
[T/F] Some data projectors are large devices that attach to a ceiling or wall in an auditorium.
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cable
Until a few years ago, printing a document required connecting a computer to a printer with a ________.
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chassis
The case of the system unit, sometimes called the ________, is made of metal or plastic and protects the internal electronic components from damage.
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fetching
In the machine cycle steps, ________ is the process of obtaining a program instruction or data item from memory.
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non-impact printer
A(n) ________ printer forms characters and graphics on a piece of paper without actually striking the paper.
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FALSE
[T/F] The lower the time in milliseconds it takes to turn a pixel on or off on an LCD monitor, the slower the response time.
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TRUE
[T/F] The processor interprets and executes a program’s instructions while the program is in RAM.
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FALSE
[T/F] USB ports on a mobile device usually are the same size as those on personal computers.
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desktop personal computers
On ________, the electronic components and most storage devices are part of the system unit and other devices, such as the keyboard, mouse, and monitor, normally occupy space outside the system unit.
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chip
A computer ________ is a small piece of semi-conducting material, usually silicon, on which integrated circuits are etched.
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FALSE
[T/F] Female connectors have one or more exposed pins, like the end of an electrical cord that is plugged into the wall.
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TRUE
[T/F] ROM is nonvolatile
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FALSE
[T/F] The access time (speed) of memory has no affect on the overall performance of a computer.
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4.75 inches in diameter or less
Optical discs usually are ________ than one-twentieth of an inch thick.
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TRUE
[T/F] Most computers use flash memory to hold their startup instructions because it allows the computer easily to update its contents.
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non-impact
Some ________ printers spray ink, while others use heat or pressure to create images.
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plasma
A(n) ____ monitor is a display that uses gas plasma technology, which sandwiches a layer of gas between two glass plates.
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impact
A(n) ____ printer forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper.
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non-impact
A(n) ____ printer forms characters and graphics on a piece of paper without actually striking the paper.
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earbuds
____ are audio output devices that rest inside the ear canal.
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headphones
____ are audio output devices that cover or are placed outside the ear.
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pixels
The series of dots that form the image on a monitor are called _______.
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TRUE
[T/F] On notebook and some handheld computers, smart phones, and other mobile devices, the keyboard is built in the top of the system unit.
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photo
Which of the following printer is a color printer that produces photo-lab-quality pictures?
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native
Displays are geared for a specific resolution. What is this resolution called?
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output
Which of the following is data that has been processed into a useful form?
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magstripe reader
Which of the following reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards?
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OCR
Most of these types of device include a small optical scanner for reading characters and sophisticated software to analyze what is read. What kind of device is this?
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TRUE
[T/F] As a user moves a mouse, the pointer on the screen also moves.
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TRUE
[T/F] Portable media players that do not have touch screens typically have a touch-sensitive pad.
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TRUE
[T/F] When drawing on a graphics tablet with a stylus or digital pen, the tablet detects and converts the movements into digital signals that are sent to a computer.
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FALSE
[T/F] RFID requires line-of-site transmission.
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FALSE
[T/F] With voice input, blind users have the computer speak out loud the information that appears on the screen.
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subwoofer
Increases the low bass sounds for a speaker system
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FALSE
[T/F] The lower the dpi (dots per inch) an ink-jet printer can output, the better the print quality.
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s-video
Video cards may have a standard monitor port and a(n) ____ port, allowing users to connect external devices such as a television, DVD/Blu-ray player, and video recorder to the computer.
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response
An important measure of LCD monitors is the ____ time, which is the time in milliseconds (ms) that it takes to turn a pixel on or off.
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output
_____ is data that has been processed into a useful form.
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TRUE
[T/F] Cloud storage is an Internet service that provides storage to computer users.
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braille
An alternative for blind users is a(n) ____ printer, which outputs information in a special printer on paper.
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pointer
Which of the following is a small symbol on the screen whose location and shape changes as a user moves a pointing device?
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They are inexpensive, but the print quality is low and the images tend to fade.
Over time, which of the following is true of thermal printers?
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force feedback (haptic)
Technology that sends resistance to a device in response to actions of the user
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typing area
All computer keyboards, such as that in the accompanying figure, have _____ that includes letters of the alphabet, numbers, punctuation marks, and other basic keys
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tablet PC
The primary input device for a _____ is a digital pen, which allows users to write on the device's screen.
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touchpad
A(n) _______ is a small, flat, rectangular pointing device that is sensitive to pressure and motion.
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source document
Some input devices eliminate manual data entry by capturing data from a _____, which is the original form of data.
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PPI (pixels per inch)
Manufacturers often use _____ to represent a digital camera's resolution.
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interactive whiteboard
Which of the following is a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen?
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MICR
Which of the following devices read text printed with magnetized ink?
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liquid crystal display
Many mobile computers and mobile devices use LCD monitors. What does LCD stand for?
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HDTV
Which of the following is the most advanced form of digital television?
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heat sink
In computers, what is used to cool central processing units or graphics processors?
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notebook computers
On most ___________, including netbooks, the keyboard and pointing device often occupy the area on the top of the system unit, and the display attaches to the system unit by hinges
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processor
Interprets and carries out the basic instructions that operate a computer
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adapter cards
_____________ are circuit boards that provide connections and functions not built into the motherboard or expand on the capability of features integrated into the motherboard.
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power supply
The power ________ is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires.
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integrated circuit
_____________________ contains many microscopic pathways capable of carrying electrical current.
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processor core
The _____________ or simply core, contains the circuitry necessary to execute instructions.
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control unit
The _______________ is the component of the processor that directs and coordinates most of the operations in the computer.
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arithmetic logic unit (ALU)
The ______________, another component of the processor, performs arithmetic, comparison, and other operations.
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decoding
_________________ refers to the process of translating the instruction into signals the computer can execute.
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storing
___________________ means writing the result to memory (not to a storage medium).
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system clock
The processor relies on a small quartz crystal circuit called the ____________ to control the timing of all computer operations.
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instructions
The faster the clock speed, the more ___________ the processor can execute per second.
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RAM
___________, also called main memory, consists of memory chips that can be read from and written to by the processor and other devices.
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DRAM
__________ is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit; must be re-energized constantly or they lose their contents
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______________ chips are faster and more reliable than any
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SRAM
variation of DRAM chips. These chips do not have to be re-energized as often as DRAM chips, thus, the term static.
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MRAM
_________ stores data using magnetic charges instead of electrical charges; retains its contents after power is removed from the computer, which could prevent loss of data for users.
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registers
A processor contains small high-speed storage locations, called ____, that temporarily hold data and instructions.
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FALSE, control
[T/F] The arithmetic unit interprets each instruction issued by a program and then initiates the appropriate action to carry out the instruction.