Exam 4: Input and Output

Computer speakers are the most common type of audio output device. _________________________

Display device size is measured diagonally from corner to corner as opposed to the way TV screens are measured.

A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.

Optical marks are characters specifically designed to be identifiable by humans as well as by an OCR device. _________________________

Case-Based Critical Thinking Questions Case 4-1 Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. When buying a scanner, Stacey needs to make sure that the scanner has a high enough ____, usually measured in the number of dots per inch (dpi ), for the business needs of the office .

Printe rs produce soft copy.

Each pixel on an LCD display emits visible light in the necessary color.

____________________ are used in consumer kiosks, restaurant order systems, and other point-of-sale (POS) systems, and they are useful for on-the-job applications where it might be impractical to use a keyboard or mouse.

The graphics tablet is typically connected to a computer via a USB port.

LCD displays use layers of organic material, which emit a visible light when electric current is applied. _________________________

Case-Based Critical Thinking Questions Case 4-1 Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. After doing some research into printers, Stacey decides to buy a(n) ____ printer, since they are the standard for business documents and are typically faster and have better quality output than other types of printers.

The text in a scanned image cannot be edited unless ____________________ software is used in conjunction with the scanner to input the scanned text as individual text characters.

A ____ typically rests on the desk or other flat surface close to the user's computer, and it is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen.

A(n) ____ is used to display output from a computer to a wall or projection screen.

The term phosphorescence refers to a process that results in much more conversion of electrical energy into light instead of heat. _________________________

The display device for a desktop computer is formally called a ____.

Touch screens allow the user to touch the screen with his or her finger to select  ____ or otherwise provide input to the device associated with the touch screen .

RFID tags need to be within line of sight of a reader.

Optical character recognition (OCR) is a technology used primarily by the banking industry to facilitate check processing.

Virtually all mice today are optical mice or ____________________ mice that track movements with light.