Computer Essentials 6

d. Input

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

b. taking the letters of the first six alphabetic characters found on the top row of keys

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

a. Thumb

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

d. Virtual

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

b. toggle

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

d. Optical

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

d. Ergonomics

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

c. Multitouch

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

c. Stylus

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

d. photoelectric cells

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

a. MICR

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

c. OMR

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

d. character and mark recognition devices

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

d. Audio

_______-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

c. microphone

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

c. pixels

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

a. Dot pitch

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

b. active display area

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

a. Aspect ratio

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

a. E-book reader

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

d. Digital or interactive whiteboards

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

c. High-definition television (HDTV)

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

d. Printer speed is measured in the number of words printed per minute.

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.

b. personal and shared

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

b. Duplex

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

d. cloud printers

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

a. microphone

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

d. Voice over IP

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

False

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

True

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

True

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

False

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

True

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

True

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

False

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

False

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

False

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

True

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

True

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

True

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

True

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

True

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

True

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

True

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

False

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

True

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

True

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

False

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

True

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

False

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