Computer Essentials 6

_______ is any data or instructions that are used by a computer. Select one: a. Digital b. Output c. Information d. Input

The arrangement of keys on a keyboard, QWERTY reflects the keyboard layout by _______. Select one: a. representing the phonetics of the alphabets most closely associated with the keyboard b. taking the letters of the first six alphabetic characters found on the top row of keys c. using the alphabetic characters most frequently used on the keyboard d. using the letters of the alphabetic characters that are closest to access while typing

Keyboards that are widely used on various smartphones and other small portable devices, and which are designed primarily for communicating via texting and connecting to the Web. Select one: a. Thumb b. Traditional c. Notebook d. Combination

Type of keyboard that uses a touch screen as the input device. Select one: a. PDA b. Wireless c. Traditional d. Virtual

A keyboard key, like Caps Lock, that turns a feature on or off is called a _______ key. Select one: a. power b. toggle c. function d. combination

This type of mouse emits and senses light to detect mouse movement. Select one: a. Mechanical b. Cordless c. Wireless d. Optical

The study of human factors related to things people use. Select one: a. Headgear b. RSI c. Technical study d. Ergonomics

These screens can be touched with more than one finger, which allows for interactions such as rotating graphical objects on the screen with your hand or zooming in and out by pinching and stretching your fingers. Select one: a. Touch b. CRT c. Multitouch d. LCD

Which of the following is not a type of scanning device? Select one: a. Optical scanner b. Bar code reader c. Stylus d. Character and mark recognition

Bar code readers use _______ embedded in them to read bar codes. Select one: a. coprocessors b. magnetic cells c. RFID microchip d. photoelectric cells

This reading device is used in banks to read the numbers on the bottom of checks and deposit slips. Select one: a. MICR b. OCR c. OMR d. UPC

Which of the following types of character recognition systems is used for standardized multiple-choice testing? Select one: a. UPC b. MICR c. OMR d. OCR

OMR, OCR, and MICR are all types of _______. Select one: a. Radio Frequency Card Readers b. magnetic card readers c. bar code readers d. character and mark recognition devices

_______-input devices convert sounds into a form that can be processed by the system unit. Select one: a. Electrolyzing b. Plotting c. Webcam d. Audio

The most widely used audio-input device is the _______. Select one: a. Webcam b. radio frequency card reader c. microphone d. stylus

The series of dots that form the image on a monitor are called _______. Select one: a. picas b. bits c. pixels d. bytes

The distance between each pixel. Select one: a. Dot pitch b. Refresh rate c. Resolution d. Word size

The size, or _______, is measured by the diagonal length of a monitor's viewing area. Select one: a. resolution b. active display area c. aspect ratio d. dot pitch

The proportional relationship between a display's width and height. Select one: a. Aspect ratio b. Resolution c. Dot pitch d. Clock speed

A dedicated, mobile device for storing and displaying e-books and other electronic media including electronic newspapers and magazines. Select one: a. E-book reader b. Interactive whiteboard c. HDTV d. Flat panel monitor

Specialized devices with a large display connected to a computer projector and are widely used in classrooms and corporate boardrooms. Select one: a. Scanners b. HDTV c. E-books d. Digital or interactive whiteboards

What kind of specialized monitor is especially useful for graphic artists, designers, and publishers? Select one: a. Flat-panel monitor b. CRT monitor c. High-definition television (HDTV) d. E-book

Which of the following statements is incorrect? Select one: a. Printer resolution is measured in dpi (dots per inch). b. Printer output is often called hard copy. c. Memory within a printer is used to store printing instructions and documents waiting to be printed. d. Printer speed is measured in the number of words printed per minute.

Two categories of laser printers are _______. Select one: a. thermal and personal b. personal and shared c. ink-jet and high-definition d. active-matrix and passive matrix

Which of the following printer features enables you to print on both sides of a sheet of paper? Select one: a. Simplex b. Duplex c. Resolution d. Dual Matrix

Printers connected to the Internet that provide printing services to others on the Internet are called _______. Select one: a. dot-matrix printers b. thermal printers c. plotters d. cloud printers

The most widely used audio-output devices. Select one: a. microphones b. speakers and headsets c. cloud printers d. faxes

Which of the following allows the transmission of telephone calls over computer networks? Select one: a. Faxing b. Cell phones c. PDAs d. Voice over IP

The most widely used input devices are monitors, printers, and keyboards. Select one: True False

Function keys provide shortcuts for specific tasks. Select one: True False

An optical mouse uses light in order to detect movement. Select one: True False

A touch screen is classified as a special type of scanning device. Select one: True False

A stylus uses pressure to draw images on a screen. Select one: True False

Multitouch screens allow for interaction such as rotating graphical objects on the screen with your hand. Select one: True False

Optical scanners recognize individual letters or images. Select one: True False

A magnetic card reader does not require the card to actually make contact with the reader. Select one: True False

An MICR device senses the presence or absence of a mark, such as a pencil mark. Select one: True False

The monitor size is measured by the diagonal length of the viewing area. Select one: True False

Output devices are any hardware used to provide or to create output. Select one: True False

3-D HDTV requires special viewing glasses in order to achieve a three-dimensional viewing experience. Select one: True False

Digital or interactive whiteboards display a computer's desktop and can be controlled using a special pen or a finger. Select one: True False

Discarded CRTs are a serious threat to the environment, given their high content levels of lead and other hazardous materials. Select one: True False

Resolution for a printer is a measure of the clarity of images produced, measured in dpi (dots per inch). Select one: True False

Shared laser printers typically support color, are more expensive, and are used by a group of people. Select one: True False

Cloud printers provide printing services to users without access to the Internet. Select one: True False

Thermal printers use heat elements to produce images on heat-sensitive paper and are used at ATMs and gasoline pumps. Select one: True False

Wireless audio-output connections typically use Bluetooth technology. Select one: True False

MFDs are used to capture as well as play back recorded sounds. Select one: True False

Telephony, also known as Internet telephony, is the VoIP application that uses the Internet rather than traditional telephone lines to support voice communication. Select one: True False

Skype provides audio and video service that requires the installation of special hardware and software. Select one: True False