Question 1

A keyboard key,like Caps Lock,that turns a feature on or off is called a ________ key.
A)power
B)toggle
C)function
D)combination

Accepted Answer

A toggle key switches a feature on or off with each press. Examples include Caps Lock, Num Lock, and Scroll Lock. Function keys are typically used to perform specific tasks in software programs, and combination keys require multiple keys to be pressed at once to activate a function. Power keys are used to turn devices on or off.

Question 2

Which of the following is not a type of scanning device?
A)optical scanner
B)bar code reader
C)stylus
D)character and mark recognition

Accepted Answer

Stylus is not a type of scanning device. It is a small, pointed tool used for writing or drawing on touchscreens or other electronic devices.

Question 3

OMR,OCR,and MICR are all types of ________.
A)radio frequency card readers
B)magnetic card readers
C)bar code readers
D)character and mark recognition devices

Accepted Answer

OMR (Optical Mark Recognition), OCR (Optical Character Recognition), and MICR (Magnetic Ink Character Recognition) are all different types of character and mark recognition devices used to quickly and accurately capture data from printed or handwritten documents.

Question 4

Type of keyboard that uses a touch screen as the input device.
A)PDA
B)wireless
C)traditional
D)virtual

Accepted Answer

A virtual keyboard uses a touch screen as the input device. PDA keyboards may also have touch screens, but they are not always the primary input method. Wireless and traditional keyboards do not use touch screens at all.

Question 5

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.
A)thumb
B)traditional
C)notebook
D)combination

Accepted Answer

Thumb keyboards are widely used on smartphones and small portable devices for texting and web communication due to their compact size and ability to be easily operated with just one hand using the thumbs.

Question 6

The series of dots that form the image on a monitor are called ________
A)picas
B)bits
C)pixels
D)bytes

Accepted Answer

Pixels are the smallest units of a digital image, and they form the image displayed on a monitor. Each pixel is a tiny dot that contains color information and contributes to the overall image.

Question 7

The most widely used audio-input device is the ________.
A)webcam
B)radio frequency card reader
C)microphone
D)stylus

Accepted Answer

The microphone is the most widely used audio-input device for recording sound or inputting voice commands on computers, smartphones, and other electronic devices. Webcams are used for video and audio input, but their primary function is video recording. Radio frequency card readers are used for scanning and reading smart cards, while stylus pens are primarily used for inputting handwritten digital content on touchscreen devices.

Question 8

________-input devices convert sounds into a form that can be processed by the system unit.
A)Electrolyzing
B)Plotting
C)Webcam
D)Audio

Accepted Answer

Audio-input devices, such as microphones, are designed specifically to convert sounds into a form that can be processed by the system unit. Electrolyzing involves separating chemicals through the use of an electric current, plotting involves creating graphical representations of data, and webcams are video-input devices that capture live footage.

Question 9

The proportional relationship between a display's width and height.
A)aspect ratio
B)resolution
C)dot pitch
D)clock speed

Accepted Answer

Aspect ratio refers to the proportional relationship between a display's width and height. It is expressed as two numbers separated by a colon, such as 16:9 or 4:3. Aspect ratio is important in determining the shape and size of a screen, and it can affect the way that images and videos are displayed.

Question 10

The size,or ________,is measured by the diagonal length of a monitor's viewing area.
A)resolution
B)active display area
C)aspect ratio
D)dot pitch

Accepted Answer

The active display area is the accurate measurement of the visible screen and is determined by the diagonal length. The resolution refers to the number of pixels on the screen, not the size. Aspect ratio is the ratio of the width to the height of the screen, and dot pitch is the distance between two pixels on a screen.

Question 11

The arrangement of keys on a keyboard,QWERTY reflects the keyboard layout by ________.
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

Accepted Answer

The QWERTY layout reflects the keyboard layout by taking the letters of the first six alphabetic characters found on the top row of keys. This layout was designed for typewriters to prevent the keys from jamming, and it has been maintained on modern keyboards for compatibility purposes.

Question 12

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.
A)touch
B)CRT
C)multitouch
D)LCD

Accepted Answer

Multitouch screens allow for interactions with more than one finger, such as rotating and zooming, as described in the sentence. Touch screens in general could allow for some basic interactions with one finger, but not the more advanced interactions described. CRT and LCD refer to specific types of display technology and are not relevant to the question.

Question 13

This indicates the monitor's ability to display colors by comparing the light intensity of the brightest white to the darkest black.
A)contrast ratio
B)dot pitch
C)active display area
D)resolution

Accepted Answer

Contrast ratio measures the difference between the brightest and darkest colors that a monitor can display. It is expressed as a ratio, such as 1000:1, where the larger number represents the brightness of the brightest color and the smaller number represents the darkness of the darkest color. The higher the contrast ratio, the more vivid and detailed the colors will appear on the screen.

Question 14

Bar code readers use ________ embedded in them to read bar codes.
A)coprocessors
B)magnetic cells
C)RFID microchip
D)photoelectric cells

Accepted Answer

Bar code readers use photoelectric cells to read bar codes. These cells detect the reflected light from the black and white spaces of the code and convert it into electrical signals that can be interpreted by the device. Neither coprocessors nor RFID microchips are used in bar code readers, and magnetic cells aren't relevant to the process.

Question 15

This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.
A)MICR
B)OCR
C)OMR
D)UPC

Accepted Answer

MICR (Magnetic Ink Character Recognition) technology is specifically designed for reading the numbers on the bottom of checks and deposit slips. It uses magnetic ink and special characters to print the account and routing numbers, which can be easily read by MICR reading devices used in banks. OCR (Optical Character Recognition) is used to read printed or handwritten text, OMR (Optical Mark Recognition) is used to detect pencil marks on forms such as surveys, and UPC (Universal Product Code) is used for scanning barcodes on products.

Question 16

Which of the following types of character recognition systems is used for standardized multiple-choice testing?
A)UPC
B)MICR
C)OMR
D)OCR

Accepted Answer

OMR (Optical Mark Recognition) is used for scanning and reading multiple-choice answer sheets. This is commonly used in standardized testing, surveys, and ballots. UPC is used for scanning barcodes, MICR is used for scanning checks, and OCR is used for recognizing printed or handwritten text.

Question 17

________ is any data or instructions that are used by a computer.
A)Digital
B)Output
C)Information
D)Input

Accepted Answer

Data and instructions that are used by a computer are called input. Digital, output, and information can be components or types of input or output, but they do not describe all data and instructions that are used by a computer.

Question 18

The distance between each pixel.
A)dot pitch
B)refresh rate
C)resolution
D)word size

Accepted Answer

Dot pitch refers to the distance between each pixel on a screen, measured in millimeters. It is a measure of the clarity and sharpness of images displayed on a screen. The smaller the dot pitch, the closer the pixels are to each other, resulting in a sharper and clearer image on the screen.

Question 19

This type of mouse emits and senses light to detect mouse movement.
A)mechanical
B)cordless
C)wireless
D)optical

Accepted Answer

An optical mouse uses light to detect movement, making it the best choice out of the given options. Mechanical mice use a rubber ball to detect movement, cordless mice use radio frequency to communicate with the computer, and wireless mice can refer to either cordless or Bluetooth mice.

Question 20

The study of human factors related to things people use.
A)headgear
B)RSI
C)technical study
D)ergonomics

Accepted Answer

Ergonomics describes the study of designing equipment and devices that fit the human body and its cognitive abilities, thus enhancing productivity while reducing discomfort and injury.

Quiz 6: Input and Output

A keyboard key,like Caps Lock,that turns a feature on or off is called a ________ key.

Which of the following is not a type of scanning device?

OMR,OCR,and MICR are all types of ________.

Type of keyboard that uses a touch screen as the input device.

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.

The series of dots that form the image on a monitor are called ________

The most widely used audio-input device is the ________.

________-input devices convert sounds into a form that can be processed by the system unit.

The proportional relationship between a display's width and height.

The size,or ________,is measured by the diagonal length of a monitor's viewing area.

The arrangement of keys on a keyboard,QWERTY reflects the keyboard layout by ________.

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.

This indicates the monitor's ability to display colors by comparing the light intensity of the brightest white to the darkest black.

Bar code readers use ________ embedded in them to read bar codes.

This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.

Which of the following types of character recognition systems is used for standardized multiple-choice testing?

________ is any data or instructions that are used by a computer.

The distance between each pixel.

This type of mouse emits and senses light to detect mouse movement.

The study of human factors related to things people use.