CH 2
For good basic performance, a computer running Windows 7 or 8 should have at least ____ of RAM
1 GB
A USB flash drive can have capacities ranging from _____________
16 MB to 256 GB
Personal computer hard disk platters typically have storage capacities ranging from 40 GB to ____
2 TB
For gaming systems, a response rate ____ or less is desirable
5ms
In RAM, a group of ___ bits is grouped together to form a byte
8
___________ time is the average time it takes a computer to locate and read data on the storage medium
Access
Laura wants to make sure her computer is fast enough for her everyday use. Which of the listed features is the most important
Amount of RAM
ONe of the computer ads Laura is looking a specifies '2 GB Dual Channel DDR2 SDRAM at 800 MHz (max 4 GB)' What does the 2 GB specify
Amount of RAM
Example of a rerecordable optical storage medium
BD-RE CD-RW DVD+RW **ALL THE ABOVE
The instructions that your computer performs when it first turned on are permanently stored in ____
BIOS
Indicates that the operating system has encountered an error from which it cannot recover
BSoD
Many seasoned users have encountered the Windows ______, which suddenly replaces the usual graphical display with an enigmatic error message written in white text against a BLUE background
BSoD
A laptop can ____________
Be plugged into an electrical outlet & run on battery power
The result of a series of tests used to gauge overall microprocessor speed and are useful in comparing microprocessor performance
Benchmarks
High-capacity DVD technology that uses a BLUE-violet colored laser
Blu-Ray
___________ is a high-capacity optical storage technology with a 25 GB capacity per layer
Blu-Ray
____________ indicates that the operating system has encountered an error from which it cannot recover and the computer no longer accepts any commands
Blue screen of death (BSoD)
A processor technology that uses a complex set of instructions
CISC
Special high-speed memory that allows a microprocessor to access data more rapidly than from memory located elsewhere on the system board
CPU cache
In RAM, a microscopic electronic part called a ___________ is used to hold a bit
Capacitor
A built-in _________ in your personal computer can make it simpler to transfer photos form a solid state memory card used in your digital camera
Card reader
In advertisement, a speed specification, such as 3.4 GHz, indicates the speed of the microprocessor ________________
Clock
The microprocessor _______ is a TIMING device that sets the pace for executing instructions
Clock
Number of colors a monitor can display
Color depth
The number of colors a monitor can display
Color depth
A head _____- can be triggered by jarring the hard disk while it is in use
Crash
System configuration information, such as the date and time, hard disk capacity, RAM capacity, and number and types of drives, is stored in a non-volatile ______ chip
Crash
To reboot a PC, hold down the _____________ keys at the same time
Ctrl, Alt, Del
Jim likes to save MP3 files and photos to disc and take them to work. His computer has a DVD-RW. For his home computer, which would be the best choice for an optical disc drive
DVD/R/RW/CD-RW
The amount of data that a storage device can move from the storage medium to the computer per second
Data transfer rate
A hard drive, a CD drive, and a flash drive are examples of a storage _________
Device
What should Paul look for in a display device as a measure of image clarity
Dot pitch
A ________________ printer can print on both sides of the paper
Duplex
A printer's ________________ determines how many pages a printer is able to churn out
Duty cycle
_________ chip is a type of non-volatile memory chip that does not require power to hold data
EEPROM
___________ media player is a handheld device for playing music and videos, which offers a camera, access to the internet, and a variety of apps
Enhanced
The segment of the data bus to which peripheral devices connect is called the ___________ bus
Expansion
A long, narrow socket on the motherboard into which you can plug an expansion card
Expansion slot
Where would Paul install his new optical drive
External drive bay
Most processors in today's personal computers use RISC technology
F
T/F: A RISC processor has complex instruction sets, each requiring several clock cycles for execution.
F
T/F: A keyboard is an example of a pointing device
F
T/F: A microprocessor's clock speed is equal to the number of instructions it can execute in one second.
F
T/F: Processors with a smaller word size can process more data during each processor cycle.
F
T/F: The letter D in acronyms for optical media such as CDs and DVDs formally means drive
F
T/F: You can usually identify the microprocessor when looking inside a computer, as it is the only chip on the motherboard.
F
T/F: Storage 'MASS' is the amount of data that can be stored in a given area of a storage medium
F Capacity
T/F: On a display device, the 'REFRESH RATE' is the distance in millimeters between like-colored pixels and is a measured of picture clarity
F DOT Pitch
T/F: 'ACCESS TIME' is the amount of data a storage device can move each second from the storage medium to the computer
F Data transfer rate
T/F: CDs and DVDs are examples of 'MAGNETIC' storage media
F Optical
T/F: To minimize the virtual memory use, load up your computer with as much 'EEPROM' as possible
F RAM
T/F: 'RAM' circuitry holds "hard-wired" instructions that are a permanent part of the circuitry
F ROM
T/F: 'SEQUENTIAL ACCESS' is the ability of a device to "jump" directly to requested data
F Random Access
T/F: RAM capacity is often expressed in 'NANOSECONDS (ns)'
F gigabytes
The circuitry that transports data to and from the microprocessor
FSB
Refers to the size and dimensions of a computer component
Form factor
_____________ means a billion cycles per second
Gigahertz
Security mechanism that is factory-installed on many personal computers
Kensington Security Slot
Paul remembers that the monitor he was looking at included backlighting. What type of monitor is it
LCD
_____ technology produces an image by filtering light through a layer of liquid crystal cells
LCD
Smooth surface areas of the CD are ____
Lands
Printer that produces characters and graphics by painting dots on a light-sensitive drum
Laser
Which of the following is a tracking and recovery software
Lojack for Laptops
Hard disk storage technology can be classified as ____________ storage
Magnetic
A storage ___________ is the disk, CD, DVD, tape, paper, or other substance that contains data.
Medium
Example of a pointing device
Mouse
A processor that includes circuitry for two or more processing units is a ________________ processor
Multi-core
Laptop computer is also referred to as a ____________ computer
Notebook
CD, DVD, and Blu-Ray technologies can be classifies as _________ storage
Optical
Most widely used language for communication between computers and printers
PCL
Many of today's microprocessors perform _____________ _______________, in which multiple instructions are executed at the same time
Parallel processing
Printers, display devices, and speakers are examples of ________________ devices
Peripheral
The term _____________________ designates equipment that might be added to a computer system to enhance its functionality
Peripheral device
Allows the processor to begin executing another instruction before it completes the previous instruction
Pipelining
Used to enhance processor performance
Pipelining Parallel processing
Crater-like spots on the CD surface are____
Pits
Dot pitch is the distance in millimeters between like-colored _______ - small dots of light that form an image
Pixels
A hard disk __________ is a flat, rigid disk made of aluminum or glass and coated with magnetic iron oxide particles
Platter
Automatic installation of a peripheral device
Plug and play
____________ computer is a small, lightweight personal computer with screen, keyboard, storage, and processing components integrated into a single unit
Portable
Sudden increase or spike in electrical energy, affecting the current that flows to electrical outlets
Power surge
Solid state storage, also called flash memory storage, _____________
Provides fairly fast access to data
Temporary holding area for data, application program instructions, and the operating system
RAM
Microprocessor whose instruction set includes a limited set of examples
RISC technology
Memory circuitry that holds the computer's startup routine
ROM
Type of memory circuitry that holds the computer's startup routine
ROM
Ability of a device to "jump" directly to the requested data
Random access
If Paul is most concerned with the sharpness of the images and text he will printing, he should focus on comparing the ________________ of the printers he is considering buying
Resolution
The number of horizontal and vertical pixels that a device displays on a screen is referred to as its _____________
Resolution
A good computer maintenance routine would include regularly _____________
Running utilities like Disk Cleanup & Disk Defragmenter, Scanning your computer for viruses & spyware, and Deleting browser history & cache files **all the above
Used by most of today's personal computers because it is fast and relatively inexpensive
SDRAM
______ plates leave an indelible tattoo on your computer equipment, which contains a unique ID number registered in an international database
STOP
Limited version of Windows that allows you to use your mouse, keyboard, and screen but no other peripheral device
Safe mode
_____________ is a limited version of Windows that allows you to use your mouse, screen, and keyboard but no other peripherals
Safe mode
__________________ is an enhanced mobile PHONE that typically also functions as a portable media player and has the capacity to access the internet
Smartphone
__________ strip monitors the electrical current that passes from the outlet to all the devices plugged into the strip.
Surge
Power _______ can originate form a number of sources: downed power lines, power grid switching by the electric company, faulty wiring, and large appliances powering on and off
Surges
The case that holds the computer's main circuit boards, microprocessor, memory, power supply, and storage device
System unit
The case that holds the computer's main circuit boards, microprocessor, memory, power supply, and storage devices
System unit
T/F: A card reader is a storage device that is used to read from and write to solid state storage cards, like Secure Digital (SD) and CompactFlash cards
T
T/F: A fast front side bus moves data quickly and allows the processor to work at full capacity.
T
T/F: CD-RW technology allows you to write data to a disc and then later change that data
T
T/F: Currently, there are three personal computer platforms: PC, Mac, and Linux
T
T/F: EIDE, ATA, SCSI, and DMA refer to different types of circuitry used to 'TRANSFER DATA BETWEEN' the hard disk and other components
T
T/F: Internal drive bays are designed for 'HARD DISK DRIVES'
T
T/F: RAM is volatile, which means it must constantly receive electric power to hold data.
T
T/F: Storage capacity usually is measure in gigabytes(GB) or terabytes(TB)
T
T/F: The 'MICROPROCESSOR' is the most important component and usually the most expensive single component.
T
T/F: The Intel i7 1.6 GHz processor is faster than the i5 2.4 GHz processor
T
T/F: The most commonly used touchscreen technology is a transparent panel coated with a thin layer of electrically conductive material that senses a change in the electrical current when touched
T
T/F: The number of horizontal and vertical pixels that a device displays on a screen is referred to as its 'SCREEN RESOLUTION'
T
T/F: The system unit is the case that holds a computer's main circuit boards, microprocessor, memory, power supply, and storage device.
T
T/F: The term 'form factor' refers to the size and dimensions of a component,such as a system board
T
________ computer is a handheld computer that is essentially a large version of an enhanced media player
Tablet
Overclocking is a technique for increasing speed for a computer component, such as ______________________. Can be very risky
The processor A graphics card Memory ** all the above
Which would NOT be true of computers priced higher than $1200
These computers do not adequately support video editing tasks
Tablet computers, handheld devices, retail store self checkout, and information kiosks collect input from ______________
Touchscreen
Form factor of choice for computer owners who might want to upgrade components in the future because it is easy to get inside the case and swap out parts
Tower units
Touch sensitive surface on which you can slide your fingers to move the on-screen pointer
Trackpad
Device that not only provides surge protection, but also furnishes your computer with battery backup power during a power outage
UPS
Perry decides that he does not need the computer equivalent of a luxury automobile, and this his needs are more in line with those of the average user, what can he expect to pay
US $500-$1200
Hot plugging is allowed with what kind of devices?
USB FireWire
What is the best storage medium for storing James' three databases, each of which is approximately 500 MB
USB flash drive
An area of hard disk used by the operating system to store parts of programs and data files if a program exceeds its allocated RAM
Virtual memory
If a program exceeds its allocated space, the operating system uses an area of the hard disk called ___________ to store parts of a program or data file until they are needed
Virtual memory
RAM is _________, which means that is requires electrical power to hold data
Volatile
Unlike disk storage, most RAM is ________
Volatile
Which is the highest resolution?
WQXGA
ROM BIOS is a small set of instructions that tells the computer all of the following EXCEPT
What the data transfer rate should be
Number of bits that a microprocessor can manipulate at one time
Word size
Storage capacity is usually measure in
gigabytes or terabytes
Window phone apps run on ____________
none of the above
Gaming computers typically include _____________
very fast processors lots of memory state-of-the-art sound capabilities
RAM can be thought of as _______________ for the computer's processor
waiting-room
