CH 2

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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


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