CPTE test 1-3 questions. and answers

What is the term used to describes altering the pixel colors where the edges of the object and the background meet, so that the object appears to merge with the background? A. Alpha blending B. Clipping path C. Cloning D. Inpainting

A. Alpha blending

________ is the number of bits that are processed during a specific unit of time, usually during one second. A. Bit rate B. Bit depth C. Color depth D. none of the above

A. Bit rate

What is another term for vector graphics software? A. Drawing software B. Photo editing software C. Digital compositing D. All of the above

A. Drawing software

Today's color display devices represent color using the ______ color model. A. RGB B. PNG C. BMP D. none of the above

A. RGB

Which optical storage technology stores data permanently on a disc, which cannot be subsequently added to or changed. A. Read-only B. Recordable C. Rewritable D. None of the above

A. Read-only

that is great for consuming content such as ebooks, music, and videos but not so great for creating content or multitasking? A. Tablet B. Smartphone C. Desktop D. Laptop

A. Tablet

Transmission speeds are expressed in _______, whereas storage space is expressed in _______. A. bits, bytes B. bytes, bits C. binary, numeric D. none of the above

A. bits, bytes

A group of eight bits is called a _______. A. byte B. megabit C. binary D. numeric data

A. byte

The number of colors available in a graphic is referred to as color _________. A. depth B. range C. RGB D. PNG

A. depth

Which of the following is an example of an operating system that is used by smartphones? A. iOS B. Android C. Windows RT D. All of the above

A. iOS

The part of the data bus that runs between the microprocessor and RAM is called the _______ bus. A. local B. expansion C. USB D. network

A. local

Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called ____________ that combine sensors with processing circuitry. A. microcontrollers B. microcomputers C. servers D. microdevices

A. microcontrollers

Sampling _______ refers to the number of times per second that a sound is measured during the recording process. A. rate B. compression C. depth D. sound

A. rate

The primary purpose of ________ software is to help the computer system monitor itself in order to function efficiently. A. system B. application C. input D. memory

A. system

Which of the following file extensions is NOT a vector graphic? A. .svg B. .eps C. .tif D. .ai

B. .eps

Compressed files usually have ______ at the end of the file name. A. .exe B. .zip C. .txt D. none of the above

B. .zip

Which of the following is NOT a format that is used for digital audio? A. MP3 B. DOC C. WAV D. Ogg

B. DOC

_________ is the amount of data a storage device can move per second from the storage medium to RAM. A. Access time B. Data transfer rate C. Bitrate D. RPM

B. Data transfer rate

What type of computer should you consider purchasing if you want a system that is ideal for dedicated gamers, serious designers, desktop publishers, and video editors? A. Laptop B. Desktop C. Tablet D. Smartphone

B. Desktop

Which of the following is NOT drawback of using cloud storage? A. Increased security risk. B. High price of storage. C. Possible service outage. D. Discontinuation of service.

B. High price of storage.

______ is data that is entered into a computer. ______ is the result produced by a computer. A. Output, Input B. Input, Output C. Information, Binary data D. None of the above

B. Input, Output

What type of computer should you consider purchasing if you want a portable system that is good for students and on-the-go professionals who want to create content and be productive, in addition to consuming content? A. Desktop B. Laptop C. Tablet D. Smartphone

B. Laptop

Which of the following is an example of a computer that is a small, lightweight personal computer that is designed like a clam shell? A. Desktop computer B. Laptop computer C. Server D. Tablet

B. Laptop computer

_________ is a temporary holding area for data and programs. A. CISC B. RAM C. ROM D. RISC

B. RAM

Which of the following is an example of why hard disk drives are so popular? A. They are not susceptible to a head crash B. Relatively low cost for lots of storage C. they are volatile D. All of the above

B. Relatively low cost for lots of storage

In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an image and then apply them to another area? A. inpainting B. cloning C. noise reduction D. image enhancement

B. cloning

A(n) _______ is the software that compresses a video stream when a video is stored, and decompresses the file when the video is played. A. compression B. codec C. bitmap D. resolution

B. codec

Most music for portable media players is stored in _______ audio file formats. A. uncompressed B. compressed C. lossless D. zipped

B. compressed

A(n) __________ is software that helps a peripheral device establish communication with its host device. A. device hub B. device driver C. hot-plug D. data bus

B. device driver

The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________. A. binary B. digitization C. representation D. none of the above

B. digitization

The number of frames that are displayed per second is measured in _______. A. compression B. fps C. color depth D. bps

B. fps

Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels. A. polarization B. interpolation C. compression D. resolution

B. interpolation

Microprocessors can't directly understand programming languages, so programs have to be converted into _____________ that corresponds to the microprocessor's instruction set. A. applications B. machine language C. microprocessors D. ARM

B. machine language

Originally called microcomputers, _________ are designed to meet the computing needs of individuals. A. mainframes B. personal computers C. microcomputers

B. personal computers

At its time of construction, one of the fastest computers in the world is referred to as a(n) _________________. A. mainframe B. supercomputer C. minicomputer D. all of the above

B. supercomputer

________ data consists of numbers that can be used in arithmetic operations. A. Text B. Digital C. Numeric D. Binary

C. Numeric

3-D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form? A. a bitmap graphic B. a zipped file C. a wireframe D. all of the above

C. a wireframe

Today's widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________. A. resolution B. aspect ratio C. frame rate D. all of the above

C. frame rate

The most popular battery type used in today's electronic devices is __________. A. nickel-cadmium B. alkaline C. lithium ion D. none of the above

C. lithium ion

ASCII requires __________ bits for each character. A. two B. six C. seven D. ten

C. seven

Which of the following is an important consideration when evaluating storage options for digital devices? A. Durability B. Dependability C. Capacity D. All of the above

D. All of the above

__________ is music, speech, and other sounds represented in binary format for use in digital devices. A. MIDI B. speech recognition C. speech synthesis D. Digital audio

D. Digital audio

Which of the following is NOT a type of digital video container file? A. MP4 B. AVI C. VOB D. PNG

D. PNG

Which of the following is NOT an example of an expansion port? A. Thunderbolt B. USB 3.0 C. HDMI D. RAM

D. RAM

Which of the following is NOT a type of bitmap format? A. TIFF B. RAW C. PNG D. ZIP

D. ZIP

Digital audio is stored in a variety of file formats, including ___________. A. WMA B. WAV C. MP3 D. all of the above

D. all of the above

Digital data can be __________ that have been converted into discrete digits such as 0s and 1s. A. text B. numbers C. graphics, sound, and video D. all of the above

D. all of the above

Digital video is a core technology for which of the following? A. digital television B. videoconferencing systems C. video messaging D. all of the above

D. all of the above

The advantages of LCD screens include display clarity, low radiation emission, portability, and compactness. A. display clarity B. low radiation emission C. portability D. all of the above

D. all of the above

The electronic components of most digital devices are mounted on a circuit board called a ______________. A. system board B. motherboard C. main board D. all of the above

D. all of the above

Which of the following is based on computer technology? A. tablets B. ebook readers C. game consoles D. all of the above

D. all of the above

Which of the following options are well suited for using vector graphics? A. line art B. logos C. diagrams D. all of the above

D. all of the above

Which of the following tools would be found in 3 D graphics software? A. rendering tools B. ray tracing tools C. surface texture tools D. all of the above

D. all of the above

The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s. A. digital B. text C. numeric D. binary

D. binary

In a microprocessor, the __________ fetches instructions. A. ALU B. register C. CPU D. control unit

D. control unit

The main circuits on the system board that carry data are called the _________. A. ROM B. RAM C. expansion bus D. data bus

D. data bus

Most computers have temporary holding areas called __________. A. output B. microprocessor C. CPU D. memory

D. memory

Which of the following is NOT a factor in the quality of digital video? A. frame rate and resolution B. color and bit depth C. compression technique D. memory technology in your camera

D. memory technology in your camera

Unicode uses________ bits and provides codes for 65,000 characters. A. seven B. eight C. ten D. sixteen

D. sixteen

The term ________ refers to the part of a digital device that holds the system board. A. form factor B. CPU C. system board D. system unit

D. system unit

T or F: A bitmap graphic is composed of a grid of tiny rectangular cells.

T

T or F: A file name extension indicates the file format.

T

T or F: After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic.

T

T or F: All of the data stored and transmitted by digital devices is encoded as bits.

T

T or F: In digital video, a lower resolution reduces the bit rate.

T

T or F: Lossy compression techniques discard some data from an image to shrink its file size.

T

T or F: One of the main disadvantages of MIDI is that it cannot produce vocals.

T

T or F: Plain, unformatted text is sometimes called ASCII text.

T

T or F: The technical term for ripping music tracks is digital audio extraction.

T

T or F: Video resolutions can be expressed as width x height.

T

True False A hard disk drive is an example of magnetic storage.

True

True False A multicore processor that executes more than one instruction at a time is referred to as a parallel processor.

True

True False A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard.

True

True False An example of system software is a computer operating system.

True

True False Battery life is the time your device operates before it must be recharged.

True

True False Computers with the same operating systems can typically use the same software and peripheral devices.

True

True False In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.

True

True False Intel Corporation is the world's largest chipmaker and supplies a sizeable percentage of the microprocessors that power desktops and laptops.

True

True False Most computer ads specify the speed of a microprocessor in gigahertz.

True

True False Smartphones evolved from basic cell phones and PDAs.

True

True False Smartwatches are multifunction devices that can include a camera, thermometer, compass, calculator, cell phone, GPS, media player, and fitness tracker.

True

True False The CPU of most modern computers is a microprocessor.

True

True False The Intel i7 microprocessor is x86 compatible.

True

True False The ability to switch between programs makes computers multipurpose devices.

True

True False When a peripheral device is connected or disconnected while the host device is operating, it is called hot-plugging.

True

T or F: ASCII text files contain formatting.

F

T or F: Character data is composed of letters, symbols, and numerals that are used in calculations.

F

T or F: Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size.

F

T or F: TIFF, PNG, and GIF graphics formats offer lossy compression

F

T or F: The binary number system has only two digits: 1 and 2.

F

T or F: To conserve space, applications that require high-quality sound use low sampling rates.

F

True False A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for output.

False

True False All remote storage is considered to be cloud storage.

False

True False Component systems are currently the most popular form factor for digital devices.

False

True False During an instruction cycle, all parts of the instruction are performed by the microprocessor's control unit.

False

True False The operating systems for smartphones are radically different to those used for tablet computers.

False