Chapters 7 - 9

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

The speed of storage devices and memory is defined by ____. a. resolution b. access time c. transfer rate d. system time

Access time

________ is an open source, Linux-based mobile operating system designed by Google for smart phones and tablets. a. GUI b. Android c. Safari d. Boot Camp

Android

With an operating system, ________ can include fixing program errors, improving program functionality, expanding program features, enhancing security, and modifying device drivers. a. permissions b. drivers c. automatic updates d. bugs

Automatic updates

A ________ code is an identification code that consists of a set of vertical lines and spaces of different widths. a. radio frequency b. digital c. product d. bar

Bar

A ____ is a set of conditions used to measure the performance of hardware or software. a. target b. benchmark c. goal d. performance monitor

Benchmark

The process of starting or restarting a computer or mobile device is called ________ . a. paging b. booting c. thrashing d. spooling

Booting

Spooling is the process that sends documents to be printed to a ________ instead of sending them immediately to the printer. a. monitor b. driver c. swap file d. buffer

Buffer

The process of writing on an optical disc is called ________ . a. saving b. ripping c. burning d. fetching

Burning

A ____ is an optical disc on which users can write once, but not erase, their own items, such as text, graphics, etc. a. CD-W b. CD-RW c. CD-R d. CD-ROM

CD-R

A ____ is an erasable multisession disc users can write on multiple times. a. CD-W b. CD-R c. CD-RW d. CD-ROM

CD-RW

If your computer or printer does not have a built-in card slot, you can purchase a ________ , which is a device that reads from and writes on memory cards. a. LightScribe reader/writer b. Secure Digital card c. memory stick d. card reader/writer

Card reader/writer

Amazon Cloud Drive, iCloud, Box, Dropbox, Google Drive, and SkyDrive are among the many options that consumers consider for ________ . a. cloud storage b. longitudinal recording c. photo sharing d. improving access time

Cloud storage

Some people use the term ____ to refer to the process of starting a computer or mobile device from a state when it is powered off completely. a. boot disk b. boot drive c. cold boot d. warm boot

Cold boot

To configure devices, manage system resources, automate system management tasks, and troubleshoot network connections, network administrators work with a ________ . a. virtual machine b. command-line interface c. swap file d. GUI

Command-line interface

Instead of reading or scanning data from a source document, a ________ obtains data directly at the location where the transaction or event takes place. a. compact storage device b. MICR device c. streaming cam d. data collection device

Data collection device

A ________ is a device that takes the text and images displaying on a computer or mobile device screen and projects the images on a larger screen so that an audience can see the image clearly. a. Smart TV b. data projector c. plasma display d. graphics processing unit

Data projector

________ is the number of bits in an area on a storage medium. a. Transfer rate b. Resolution c. Density d. Access time

Density

A storage ____ is the hardware that records and/or retrieves items to and from storage media. a. hub b. portal c. device d. cartridge

Device

A(n) ________ program is one that runs only on a specific type or make of computer or mobile device. a. Plug and Play b. open source c. device-dependent d. backward compatible

Device-dependent

Hard drives, flash memory storage, and optical discs all use ________ , which means that the device can locate a particular file immediately, without having to move consecutively through items stored in front of the desired file. a. nonvolatile access b. direct access c. linear access d. sequential access

Direct access

Hard disks improve their access time by using ____. a. ROM b. perpendicular recording c. disk cache d. RAM

Disk cache

Printer resolution is measured by the number of ________ per inch a printer can print. a. dots b. frames c. pixels d. characters

Dots

Examples of products that use ________ operating systems include digital cameras, ATMs, digital photo frames, HDTV receivers, fuel pumps, ticket machines, process controllers, robotics, and automobile components. a. fragmented b. spooled c. embedded d. attached

Embedded

Administrators can specify that data be ________ as it travels over a network to prevent unauthorized users from reading the data. a. thrashed b. compressed c. defragmented d. encrypted

Encrypted

A(n) ____ keyboard has a design that reduces the chance of wrist and hand injuries. a. ergonomic b. cordless c. QWERTY d. portable

Ergonomic

T/F A data collection device reads and scans data from a source document.

False

T/F A smaller frame rate results in a smaller file size for a video as well as a smoother playback.

False

T/F A storage medium is volatile; that is, items stored on it remain intact even when you turn off a computer or a mobile device.

False

T/F An active RFID tag contains a batter than runs the the chip's circuity and broadcasts a signal to the RFID reader; because they are so small they can be embedded in skin.

False

T/F Because of current standards, head crashes no longer occur.

False

T/F Contrast ratio defines a display's width relative to its height.

False

T/F Like a hard disk, you regularly should defragment an SSD to increase access times.

False

T/F Mini discs require a separate mini disc drive; that is, they do not work in standard-sized optical disc drives.

False

T/F Most current displays use CRT technology.

False

T/F Operating systems provide vastly different functions, depending on the size of the computer or mobile device.

False

T/F Printer resolution is measured by the number of pixels per inch a printer can print.

False

T/F Storage devices can be categorized as input or output devices.

False

T/F The Individuals with Disabilities Education Act (IDEA) requires any company with 50 or more employees to make reasonable attempts to accommodate the needs of physically challenged workers.

False

T/F When you are finished using a USB flash drive, simply remove it from the USB port.

False

When a computer is running multiple programs concurrently, the one in the ____ is the active program, that is, the one you currently are using. a. center b. desktop c. background d. foreground

Foreground

Apple's Macintosh operating system has earned a reputation for its ease of use and has been the model for most of the new ________ developed for non-Macintosh systems. a. commands b. GUIs c. processors d. utilities

GUIs

A(n) ______ is a motion you make on a touch screen with the tip of one or more fingers or your hand. a. shake b. gesture c. toggle d. insertion point

Gesture

A ________ is an electronic plastic board that detects and converts movements of a stylus or digital pen into digital signals that are sent to the computer. a. touchpad b. digital paper c. signature capture pad d. graphics tablet

Graphics tablet

A ________ is a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information. a. RAM drive b. ExpressCard c. disk cache d. hard disk

Hard disk

Regular secondary storage for a computer system is usually provided by __________. a. DVDs b. CDs c. Hard drives d. Optical tape

Hard drives

A ________ occurs when a read/write head touches the surface of a platter, usually resulting in a loss of data or sometimes loss of the entire disk. a. compression error b. head crash c. fixed disk d. disk cache

Head crash

A(n) ________ is a device that functions as both headphones and a microphone. a. subwoofer b. headset c. plotter d. earbud

Headset

________ mode saves any open documents and running programs or apps to an internal hard drive before removing power from the computer or device. a. Sleep b. Hibernate c. Snooze d. Idle

Hibernate

(n) ________ is a type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper. a. laser printer b. thermal printer c. ink-jet printer d. plotter

Ink-jet printer

Commonly used ________ methods include the keyboard, pointing devices, touch screens, and scanners and reading devices. a. output b. input c. program d. storage

Input

The ____ is the core of an operating system that manages memory and devices, maintains the internal clock, runs programs, and assigns the resources. a. kernel b. buffer c. track d. sector

Kernel

Microfilm and microfiche have the ________ of any storage media. a. fastest back-up time b. longest life c. shortest access time d. shortest writing time

Longest life

________ enable mobile users easily to transport digital photos, music, videos, or other files to and from mobile devices and computers or other devices. a. Disk caches b. DVD-ROMs c. Memory cards d. Optical disks

Memory cards

With ________ input, a device containing a camera detects your gesture and then converts it to a digital signal that is sent to a computer, mobile, or game device. a. audio b. motion c. touch d. video

Motion

Air gestures are used in ________ . a. voice input b. motion input c. OCR d. touch input

Motion input

Items on a storage medium remain intact even when you turn off a computer or mobile device. Thus, a storage medium is ________ . a. nonvolatile b. dynamic c. external d. removable

Nonvolatile

A(n) ________ is a set of programs that coordinate all the activities among computer or mobile device hardware. a. platform b. kernel c. operating system d. buffer

Operating System

Off-loading all (or at least the backup) storage management to an outside organization or a cloud storage provider, a practice known as ____. a. remoting managing b. mirroring c. outsourcing d. offshoring

Outsourcing

The United States Postal Service uses the ________ bar code. a. MAILTIME b. UPC c. FWC d. POSTNET

POSTNET

Nearly all tablets and mobile devices, some laptop screens, and a few desktop monitors have touch screens that support ________ input, in addition to touch input, and thus include a stylus. a. motion b. voice c. pen d. audio

Pen

A ________ is a program that assesses and reports information about various computer resources and devices. a. driver b. file manager c. performance monitor d. disk cache

Performance monitor

The operating system that a computer uses sometimes is called the ____. a. driver b. kernel c. platform d. spooler

Platform

A ________ is a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a mobile computer keyboard. a. pointing stick b. digital pen c. trackball d. stylus

Pointing stick

A ________ is an output device that produces text and graphics on a physical medium such as paper. a. printer b. scanner c. monitor d. Smart TV

Printer

Multiple documents line up in a ____ in the buffer. a. cluster b. queue c. spool d. track

Queue

The following image is known as a __________. a. Quality Reassurance code b. Bar code c. Bit pattern d. Quick Response code

Quick Response Code

A group of two or more integrated hard disks is called a ________ . a. hard disk b. sector c. track d. RAID

RAID

_______ is a technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person. a. Magstripe readers b. RFID c. Keylogging software d. QR coding

RFID

Enterprise hardware often includes levels of ________ , which means that if one component fails or malfunctions, another can assume its tasks. a. longitudinal recording b. redundancy c. mirroring d. outsourcing

Redundancy

Formatting is the process of dividing the disk into tracks and ____ so that the operating system can store and locate data and information on the disk. a. clusters b. pits c. sectors d. lands

Sectors

A ________ is a multiuser operating system that organizes and coordinates how multiple users access and share resources on a network. a. resident operating system b. multiuse operating system c. server operating system d. desktop operating system

Server operating system

A keyboard ____ is one or more keyboard keys that you press to perform an operating system or application-related task. a. shortcut b. insertion point c. toggle command d. gesture

Shortcut

A(n) ________ , which is an alternative to a magnetic stripe card, stores data on an integrated circuit embedded in the card. a. smart card b. cloud card c. thumb card d. embedded card

Smart card

Flash memory chips are a type of ________ , which means they consist entirely of electronic components, such as integrated circuits, and contain no moving parts. a. redundant array of independent disks b. fixed disks c. external hard drives d. solid-state media

Sold-state media

Voice recognition is also called ____. a. optical character recognition b. speech recognition c. sound recognition d. continuous speech

Speech recognition

A desktop operating system, sometimes called a(n) ________ operating system, is a complete operating system that works on desktops, laptops, and some tablets. a. proprietary b. GUI c. upward compatible d. stand-alone

Stand-alone

Examples of _______ include internal hard disks, solid-state drives, memory cards, USB flash drives, optical discs, network attached storage devices, magnetic stripe cards, smart cards, RFID tags, and microfilm. a. file processors b. storage media c. memory cache d. storage servers

Storage media

A USB flash drive, sometimes called a ________ , is a flash memory storage device that plugs in a USB port on a computer or mobile device. a. optical drive b. compact flash drive c. memory stick d. thumb drive

Thumb drive

CAPS LOCK and NUM LOCK are examples of ________ . a. function keys b. insertion points c. toggle keys d. keyboard shortcuts

Toggle keys

Which of the following is not an example of a pointing device? a. trackball b. touchpad c. pointing stick d. touch screen

Touch screen

T/F CAPS LOCK and NUM LOCK are two examples of toggle keys.

True

T/F Compared with the access time of memory, the access time of storage devices is slow.

True

T/F Every electronic device emits some level of radiation.

True

T/F It is important to exercise caution when using QR codes because they may direct your mobile computer or device to a malicious website or file.

True

T/F Kiosks are designed to endure a high volume of use and can be used by hundreds of people per day.

True

T/F Motion input is utilized by the military for flight simulation and weapon training.

True

T/F Optical characters recognition (OCR) and optical mark recognition (OMR) are two technologies used by optical readers.

True

T/F Solid-state media is more durable and shock resistant than other types of media, such as magnetic hard disks or optical discs, because it contains no moving parts.

True

T/F The transfer rate of external hard drives usually is slower than that of internal hard drives.

True

T/F While encrypted files offer greater security than unencrypted files, an operating system may require more time to open and access encrypted files.

True

T/F With serial transfers, data is sent on bit at a time

True

________ is a multitasking operating system developed in the early 1970s by scientists at Bell Laboratories. a. Mac OS b. Linux c. UNIX d. Safari

UNIX

A(n) ________ tool removes a program or app, as well as any associated entries in the system files. a. file manager b. buffer c. uninstaller d. disk cleanup

Uninstaller

A ________ is an instruction a user issues by responding to a message displayed by a program or app. a. gesture b. user command c. user response d. function

User response

A ____ is a meeting between two or more geographically separated people who use a network or the Internet to transmit audio and video data. a. virtual chat b. video chat c. virtual meeting d. video conference

Video conference

With ________ , the operating system allocates a portion of a storage medium, such as the hard disk or a USB flash drive, to function as additional RAM. a. multitasking b. spooling c. virtual memory d. cloud storage

Virtual memory

A(n) ________ is a type of DV camera that enables you to capture video and still images, and usually audio input, for viewing or manipulation on a computer or mobile device. a. webcam b. scanner c. QR camera d. OCR device

Webcam

________ is the process of transferring data, instructions, and information from memory to a storage medium. a. Fetching b. Reading c. Decoding d. Writing

Writing

________ , developed by Apple, is a proprietary mobile operating system specifically made for Apple's mobile devices. a. SkyDrive b. iCloud c. Siri d. iOS

iOS

Whether on a desktop or mobile device, a(n) ________ has the same role—to manage operations and provide a user interface. a. operating system b. user ID c. proprietary system d. service pack

operating system


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