Exam 4: Input and Output

Case-Based Critical Thinking Questions Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café provides ____ on some computers so that users can both listen and talk through the device during a telephone call made through the computer without disturbing other users.

LCD displays do not use backlighting, which makes them energy efficient and lengthens the battery life of portable devices using these displays. _________________________

Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.

In a printer, the number of ____ affects the quality of printed output.

Graphics tablets are often used in conjunction with image editing software to create original images or to modify digital photographs. _________________________

____ are designed to scan flat objects one page at a time.

Print speed is typically measured in ____.

In a printer, the print ____ affects the quality of the printed output.

CRT monitors use digital signals to display images, which allows for sharper images.

With handwriting recognition, the computer interprets data handwritten with a digital pen as individual characters . _________________________

____________________ is the process of entering audio data into the computer.

A ____ is a large screen computer either built into a table or designed to be used on a table that allows multi-touch input from multiple users.

A mouse is the most common pointing device today that is used in conjunction with a standard  ____________________.

The video card or the integrated graphics component determines the graphics capabilities of the computer. _________________________

Optical zoom specifications reflect how much the camera can zoom without losing image quality. _________________________

____ are the standard for business documents and come in both personal and network versions.

One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares.

How do digital cameras work?

Automating the data entry process is referred to as source data automation.

Although other factors affect the quality of digital photographs, the number of ____________________ impacts how large the digital photos can be printed.