CIS #1

____ is a Linux-based operating system developed by the Open Handset Alliance. a). Android b). UNIX c). Mac OS X d). Vista

a). Android

____ are used to input data about a person into a computer system so that the individual can be identified based on a particular unique physiological characteristic. a). Biometric readers b). RFID tags c). MICR readers d). OMRs

a). Biometric readers

Since Jack has a Windows system, he can right-click a hard drive icon in Windows Explorer, select Properties, and then select the ____ option on the Tools tab to check that hard drive for errors. a). Check Now b).Disk Defragmenter c). Defragment Now d). Windows Disk Cleanup

a). Check Now

A ____ is equal to 1,024 bytes. a). kilobyte (KB) b). megabyte (MB) c). gigabyte (GB) d). terabyte (TB)

a). Kilobyte

With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality. a). pixel b). vector c). map d). byte

a). Pixel

Most computers today support the ____ standard, in which the computer automatically configures new devices as soon as they are installed and the PC is powered up. a). Plug and Play b). Match c). Serial port d). Parallel port

a). Plug and Play

The accompanying figure shows a portable ____ reader. a). barcode b). scanner c). RFID d). optimal mark

a). barcode

The number of bits used to store color information about each pixel is called ____. a). bit depth b). color concentration c). pixel depth d). byte resolution

a). bit depth

A ____ is an electronic path over which data can travel. a). bus b). lane c). word d). cache machine

a). bus

Rearranging the data on the hard drive so all files are stored in contiguous locations is called ____. a). disk defragmentation b). file compression c). disk backup d). disk cleanup

a). disk defragmentation

In addition to personal operating systems and server operating systems, there are also mobile operating systems and ____. a). embedded operating systems b). high-performance operating systems c). virtual operating systems d). storage operating systems

a). embedded operating systems

Filenames typically include a ____ at the end of the filename. a). file extension b). file subscript c). file subname d). file attachment

a). file extension

Digital still cameras most often use ____ cards for storage. a). flash memory b). RAM memory c). ROM memory d). laser memory

a). flash memory

A USB ____ is a device that plugs into your PC's USB port to convert one port USB ports. a). hub b). module c). bus d). connector

a). hub

One nanometer (nm) is ____ of a meter. a). one-billionth b). one-millionth c). one-thousandth d).one-tenth

a). one-billionth

With a ____, the user touches the screen with his or her finger to select commands or otherwise provide input to the computer with which it is being used. a). touch screen b). graphics tablet c). signature capture device d). laser screen

a). touch screen

A computer ____ is the amount of data (measured in bits or bytes) that a CPU can manipulate at one time. a). word b). character c). statement d). unit

a). word

____ devices are high-performance storage servers that are individually connected to a network to provide storage for the computers connected to that network. a).Network attached storage (NAS) b).super network storage c).holographic Storage d).RAID (redundant arrays of independent disks)

a).Network attached storage (NAS)

Regardless of how storage devices are connected to a computer, ____ and/or names are typically assigned to each storage device. a).letters of the alphabet b).vowels c).single-digit numbers d).special characters

a).letters of the alphabet

One measurement of the speed of a CPU is the ____, which is rated in megahertz (MHz) or gigahertz (GHz). a). system speed b). CPU clock speed c). system rpm d). CPU rpm

b). CPU clock speed

____ input data from special forms to score or tally exams, questionnaires, ballots, and so forth. a). Optical character recognition (OCR) Devices b). Optical mark readers (OMRs) c). Magnetic ink character recognition (MICR) Readers d). Biometric readers

b). Optical mark readers (OMRs)

One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares. a). ISBN b). QR c). Code 39 d). UPC

b). QR

____ uses a combination of multi-touch input from multiple users and object recognition to interact with computers that are typically built into tabletops and other surfaces. a). Tactile feedback b). Surface computing c). A digitizing tablet d). Touch coding

b). Surface computing

In a 16.8-million-color (called photographic quality or ____) image, three bytes (24 bits) are used to store the color data for each pixel in the image. a). mega color b). true color c). real color d). full color

b). True color

____ was originally developed in the late 1960s at AT&T Bell Laboratories as an operating system for midrange servers. a). Linux b). UNIX c). Solaris d). Mac OS X

b). UNIX

To connect her external hard drive where her music files are stored to the computer, Jess needs to use the ____ port. a). serial b). USB c). Network d). Modern

b). USB

The ____ enables up to 127 devices to be connected to a computer's PCI bus through a single port on the computer's system unit. a). HyperTransport bus b). USB standard c). AGP (Accelerated Graphics Port) bus d). PCI Express Bus

b). USB standard

____ memory allows you to use more memory than is physically available on your computer. a). Shared b). Virtual c). Multithreading d). Buffer

b). Virtual

Creating a(n) ____ means making a duplicate copy of important files so that when a problem occurs, you can restore those files using the backup copy. a). mirror b). backup c). index d). hidden file

b). backup

Rodney owns a computer that he uses to work, keep in touch with friends and family, watch movies, listen to music, and use the Internet. If Rodney wants to record music files onto a CD, he needs to make sure that his operating system has CD-____ capabilities. a). mirroring b). burning c). hybrid d). striping

b). burning

Eight bits grouped together are collectively referred to as a ____. a). Kilobit b). byte c). pixel d). binary

b). byte

The ____ takes instructions from the prefetch unit and translates them into a form that the control unit can understand. a). register b). decode unit c). ALU d). internal cache

b). decode unit

Some data projectors include an iPod ____ to connect a video iPod in order to project videos stored on that device. a). port b). dock c). touch-screen d). display

b). dock

In a printer, the number of ____ affects the quality of printed output. a). characters per inch (cpi) b). dots per inch (dpi) c). lines per inch (lpi) d). characters per second (cps)

b). dots per inch (dpi)

A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen. a). graphics table b). graphics tablet c). image tablet d). touch screen

b). graphics tablet

Conventional CD discs use ____ lasers. a). red b). infrared c).blue d).violet

b). infrared

Today's CPUs are formed using a process called ____ that imprints patterns on semiconductor materials. a). vectoring b). lithography c). serigraphy d). imprintment

b). lithography

The term ____ refers to chip-based storage used by the computer. a). storage media b). memory c). hard drive d). zip drive

b). memory

Some ____ must be added in pairs. a). interfaces b). memory modules c). USB ports d). hard drives

b). memory modules

A(n) ____ keyboard folds or rolls up and connects to a device via a wired or wireless connection when needed. a). slide-out b). portable c). MIDI d). on-screen

b). portable

The ____ orders data and instructions from cache or RAM based on the task at hand. a). ALU b). prefetch unit c). control unit d). decode unit

b). prefetch unit

The bus width and bus speed together determine the bus's ____ or bandwidth; that is, the amount of data that can be transferred via the bus in a given period of time. a). clock speed b).throughput c).machine cycle d).memory

b). throughput

The key element of the microprocessor is the ____—a device made of semiconductor material that acts like a switch controlling the flow of electrons inside a chip. a). processor b). transistor c). chipbus d). S-card

b). transistor

System software is usually divided into two categories: operating system software and ____ programs. a). planning system b). utility c). FAT system d). background

b). utility

____ provide(s) a method of storing data on two or more hard drives that work in combination to do the job of a larger drive. a).Storage Area Networks (SANs) b).RAID (redundant arrays of independent disks) c).Network Attached Storage (NAS) d).Holographic Storage

b).RAID (redundant arrays of independent disks)

____ means that data can be retrieved directly from any location on the storage medium, in any order. a).Indirect access b).Random access c).Sequential access d).Online access

b).Random access

A ____ is a place to store something temporarily. a).sector b).cache c).track d).tape

b).cache

The numbering system we commonly use is called the decimal numbering system because it uses ____ symbols to represent all possible numbers. a). 2 b). 5 c). 10 d). 16

c). 10

Each place value in a binary number represents ____ taken to the appropriate a). 0 b). 1 c). 2 d). 10

c). 2

The most recent version of Windows is Windows ____. a). Leopard b). XP c). 7 d). Vista

c). 7

Like graphics data, ____—such as a song or the sound of someone speaking— must be in digital form in order to be stored on a storage medium or processed by a PC. a). pixel data b). giga data c). audio data d). audio programs

c). Audio data

11. ____ are very small pieces of silicon or other semiconducting material onto which integrated circuits are embedded. a). Pixels b). Pentiums c). Chips d). Motherboards

c). Chips

In DOS, the command ____ displays the files and folders in the current location. a). CD b). FORMAT c). DIR d). COPY

c). DIR

____ is the proprietary operating system for computers made by Apple Corporation. a). Linux b). Solaris c). Mac OS d). Unix

c). Mac OS

A ____ is designed to scan flat objects one page at a time. a).sheetfed scanner b). handheld scanner c). flatbed scanner d). C-Pen scanner

c). flatbed scanner

An emerging type of RAM is magnetic (or more precisely, ____) (MRAM). a). magnetoselective b). magnetobalanced c). magnetoresistive d). magnetocharged

c). magnetoresistive

Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. When buying a scanner, Stacey needs to make sure that the scanner has a high enough ____, typically measured in the number of dots per inch (dpi), for the business needs of the office. a). magnetic resolution b). image depth c). optical resolution d). word spacing

c). optical resolution

All programs and data located in RAM are divided into fixed-length ____ or variable-length segments, depending on the operating system being used. a). pies b). sectors c). pages d). cylinders

c). pages

Most operating systems have security features available, such as an option to automatically download and install ____ from the operating system's manufacturer on a regular basis. a). security walls b). device patches c). security patches d). device drivers

c). security patches

Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. Lisa needs to make sure that the computer that she is using has a ____ attached to it for her to be able to hear music and the sounds of a computer game. a). touch screen b). scanner c). speaker d). microphone

c). speaker

In order to synchronize all of a computer's operations, a ____—a quartz crystal located on the motherboard—is used. a). cycle chip b). fetch unit c). system clock d). microprocessor

c). system clock

Terascale computing is the ability of computers to process one ____ floating-point operations per second (teraflops). a). million b). billion c). trillion d). quadrillion

c). trillion

Some drive letters, such as the letter ____ typically used with the primary hard drive, are usually consistent from computer to computer and do not change even if more storage devices are added to a computer. a).A b).B c).C d).H

c).C

Jack has many large files such as digital photos and movies stored on his computer. Since he only occasionally uses these files, he should consider moving them to a removable storage medium, such as a CD disc, DVD disc, or ____. a). RAM memory module b). USB hub c).USB flash drive d). FireWire disk

c).USB flash drive

Media that allow random access are sometimes referred to as ____ media. a).optical b).identifiable c).addressable d).nonidentifiable

c).addressable

A ____, as shown in the accompanying figure, consists of a vertical stack of tracks, with the same relative track on each disk surface a).sector b).segment c).cylinder d).section

c).cylinder

To keep files organized, related documents are often stored in ____ (also called directories) located on the storage medium. a).indexes b).labels c).folders d).programs

c).folders

Usually the storage device and storage medium are two separate pieces of hardware (that is, the storage medium is ____). a).procurable b).static c).removable d).configurable

c).removable

The ____ is the section of the CPU that performs arithmetic involving integers and logical operations. a). FPU b). control unit c). decode unit d). ALU

d). ALU

____ consists of nonvolatile memory chips that can be used for storage by the user. a). RAM b). Register c). SDRAM d). Flash memory

d). Flash memory

____ have begun to replace ROM for storing system information, such as a PC's a). Motherboards b). Microprocessors c). Adapter cards d). Flash memory chips

d). Flash memory chips

Video data—such as home movies, feature films, and television shows—is displayed using a collection of ____. a). slides b). pixels c). vectors d). frames

d). Frames

____ keys on a keyboard are used for issuing commands in some programs. a). Alphanumeric b). Number c). Arrow d). Function

d). Function

____ are the most common type of flat-panel technology used for small- to medium-sized computer monitors. a). Gas plasmas b). OLEDs c). FOLEDs d). LCDs

d). LCDs

Jess has a music keyboard that she uses to compose music that will be stored electronically. To connect the keyboard to the computer, she would use the ____ port. a). SCSI b). FireWire c). modem d). MIDI

d). MIDI

Janet is studying operating systems as part of her Understanding Computers 101 class. After learning about the different types of operating systems, she realizes that she uses a number of them in her daily life. Janet has an Apple computer at home. The operating system of that computer is ____. a). Windows Vista b). Solaris c). Windows Embedded d). Mac OS

d). Mac OS

A(n) ____ instruction might look like a meaningless string of 0s and 1s, but it actually represents specific operations and storage locations. a). COBOL language b). ASCII c). programming language d). machine language

d). Machine language

Most network cards contain a port that accepts a(n) ____, which looks similar to connector but is larger. a). RJ-11 connector b). RJ-12 connector c). RJ-14 connector d). RJ-45 connector

d). RJ-45 connector

____ is the most widely used mobile operating system worldwide. a). Mac OS b). Palm OS c). Windows Mobile d). Symbian OS

d). Symbian OS

____ software consists of the operating system and utility programs that control a computer system and allow you to use your computer. a). Background b). Front-end c). Application d). System

d). System

Jack can use the ____ program to locate and delete temporary files, such as installation files, Web browsing history, and files in the Recycle Bin. a). Windows Registry b). Disk Defragmenter c). Temporary Files d). Windows Disk Cleanup

d). Windows Disk Cleanup

Dean has been using computers for some time now, but he is unfamiliar with a number of utility programs. In order to better maintain his computer, he decides to ask his coworker Andrea for advice on basic utility programs. Another thing that Andrea tells Dean is that it is very important for him to ____ all of his important data on a regular basis to protect against data loss in the case of a problem with the computer. He can use a(n) ____ utility to do this. a). cleanup b). defragment c). compress d). backup

d). backup

A ____ is an optical code that represents data with bars of varying widths or heights. a). digital code b). character code c). bar table d). barcode

d). barcode

A ____ is the smallest unit of data that a binary computer can recognize. a). byte b). datum c). pixel d). bit

d). bit

Instructions and data flow in and out of the CPU via the ____. a). control unit b). prefetch unit c). decode unit d). bus interface unit

d). bus interface unit

Most computer tapes today are in the form of ____ tapes, as shown in the accompanying figure a).floppy b). flash c). optical d). cartridge

d). cartridge

A ____ is a software program that is designed to cause damage to the computer system or perform some other malicious act. a). firewall b). utility program c). spyware d). computer virus

d). computer virus

____ are small components typically made out of aluminum with fins that help to dissipate heat. a). ACs b). Fans c). Heat buses d). Heat sinks

d). heat sinks

The display device for a desktop computer is formally called a ____. a). touch screen b). video reader c). video input d). monitor

d). monitor

A ____ rests on the desk or other flat surface close to the user's computer and is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen. a). touch screen b). virtual keyboard c). stylus d). mouse

d). mouse

A computer's ____ is a collection of programs that manage and coordinate the activities taking place within a computer system. a). database system b). storage system c). application system d). operating system

d). operating system

The ____ tries to predict what data and instructions will be needed and retrieves of time, in order to help avoid delays in processing. a). control unit b). floating point unit c). arithmetic/logic unit d). prefetch unit

d). prefetch unit

The time required to move the read/write heads to the cylinder that contains (or will contain) the desired data is called the ____. a).initial time b).rotational delay c).data movement time d). seek time

d). seek time

The means by which an operating system or any other program interacts with the user is called the ____. a). user login b). programming interface c). program front-end d). user interface

d). user interface

Anything (such as a program, letter, digital photograph, or song) stored on a storage medium is referred to as a(n) ____. a).label b).index c).folder d).file

d).file

Dan is a small business owner who depends on his computer to keep track of customer and sales data. He is investigating storage options because it is critical for him to ensure that his data is safe in the event of a computer failure. A friend of Dan suggested to him that he can use an external hard drive for his data storage and backup needs. To use an external hard drive, Dan should make sure that his computer has an available USB or ____ port. a).ScanDisk b).zip c).flash d).fireWire

d).fireWire

One type of storage device that is sometimes used with computers and that uses sequential access is a ____. a).hard drive b).flash drive c).compact card d).magnetic tape drive

d).magnetic tape drive

Each hard disk is divided into pie-shaped groups of ____. a).tracks b).clusters c).files d).sectors

d).sectors

A storage medium is inserted into the appropriate ____ to be read from or written to. a).storage processor b).bay c).board d).storage device

d).storage device

A ____ is the hardware where data is actually stored. a).storage device b).storage memory c).storage processor d).storage medium

d).storage medium