SOLUTIONS RATED A+
✔✔Digital photographs are stored as bitmap files. (Unit 1) - ✔✔True
✔✔Digital video is a core technology for which of the following? (Unit 1) - ✔✔All of the
above
✔✔Which of the following is NOT a type of digital video container file? (Unit 1) -
✔✔PNG
✔✔In digital video, as long as the proportion of horizontal and vertical pixels remains
the same, the aspect ratio is consistent. (Unit 1) - ✔✔True
✔✔Sampling _______ refers to the number of times per second that a sound is
measured during the recording process. (Unit 1) - ✔✔Rate
✔✔JPEG fields are compressed using lossy compression. (Unit 1) - ✔✔True
✔✔Video resolutions can be expressed as width x height. (Unit 1) - ✔✔True
✔✔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? (Unit 1) - ✔✔A wireframe
✔✔The number of frames that are displayed per second is measured in _____. (Unit 1)
- ✔✔Fps
✔✔A file name extension indicates the file format. (Unit 1) - ✔✔True
✔✔Today's color display devices represent color using the _____ color model. (Unit 1) -
✔✔RGB
✔✔Vector graphics usually require more storage space than bitmaps. (Unit 1) -
✔✔False
✔✔Regardless of sampling rate, digital audio file size can be reduced using audio
compression techniques. (Unit 1) - ✔✔True
✔✔Plain, unformatted text is sometimes called ASCII text. (Unit 1) - ✔✔True
✔✔Compressed files usually have _____ at the end of the file name. (Unit 1) - ✔✔.zip
,✔✔Lossy compression provides a way to compress data and reconstitute it into its
original state. (Unit 1) - ✔✔False
✔✔Which of the following tools would be found in 3-D graphics software? (Unit 1) -
✔✔All of the above
✔✔After a vector graphic is converted to a bitmap, the resulting graphic no longer has
the qualities of a vector graphic. (Unit 1) - ✔✔True
✔✔Digital videos look sharpest when they are displayed at a resolution that is larger
than the frame size. (Unit 1) - ✔✔False
✔✔What is another term for vector graphics software? (Unit 1) - ✔✔Drawing Software
✔✔A vector graphic consists of a set of instructions for creating a picture. (Unit 1) -
✔✔True
✔✔The number of colors available in a graphic is referred to as color _____. (Unit 1) -
✔✔Depth
✔✔Processing is handled by the computer's central processing unit (CPU). (Unit 2) -
✔✔True
✔✔______ is data that is entered into a computer. ______ is the result produced by a
computer. (Unit 2) - ✔✔Input, Output
✔✔A slate tablet configuration is basically a screen in a narrow frame that lacks a
physical keyboard. (Unit 2) - ✔✔True
✔✔Intel Corporation is the world's largest chipmaker and supplies a sizeable
percentage of the microprocessors that power desktops and laptops. (Unit 2) - ✔✔True
✔✔Most computer ads specify the speed of a microprocessor in gigahertz. (Unit 2) -
✔✔True
✔✔The term instruction cycle refers to the process in which a computer executes a
single instruction. (Unit 2) - ✔✔True
✔✔In a microprocessor, the __________ fetches instructions. (Unit 2) - ✔✔Control unit
✔✔The ability to switch between programs makes computers multipurpose devices.
(Unit 2) - ✔✔True
, ✔✔In a display device, response rate is the time it takes for one pixel to change from
black to white then back to black. (Unit 2) - ✔✔True
✔✔Modern refrigerators, washing machines, and other appliances are controlled by
integrated circuits called ____________ that combine sensors with processing circuitry.
(Unit 2) - ✔✔Microcontrollers
✔✔Smartwatches are multifunction devices that can include a camera, thermometer,
compass, calculator, cell phone, GPS, media player, and fitness tracker. (Unit 2) -
✔✔True
✔✔_________ is a temporary holding area for data and programs. (Unit 2) - ✔✔RAM
✔✔During an instruction cycle, all parts of the instruction are performed by the
microprocessor's control unit. (Unit 2) - ✔✔False
✔✔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?
(Unit 2) - ✔✔Desktop
✔✔A solid state drive can be used as a substitute for a hard disk drive. (Unit 2) -
✔✔True
✔✔Memory cards are typically volatile. (Unit 2) - ✔✔False
✔✔Computers with the same operating systems can typically use the same software
and peripheral devices. (Unit 2) - ✔✔True
✔✔A desktop is a portable computing device featuring a touch-sensitive screen that can
be used for input as well as for output. (Unit 2) - ✔✔False
✔✔The part of the data bus that runs between the microprocessor and RAM is called
the _______ bus. (Unit 2) - ✔✔Local
✔✔Battery life is the time your device operates before it must be recharged. (Unit 2) -
✔✔True
✔✔Which of the following is an example of a computer that is a small, lightweight
personal computer that is designed like a clam shell? (Unit 2) - ✔✔Laptop computer