Computer Hardware Input and Output Devices

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What is the main purpose of pointing devices?

To capture images and transfer them to the computer
To provide output in the form of display devices
To select and manipulate objects, input data, and issue commands to the computer (correct)
To input handwritten text and sketches

What is the function of a stylus in the context of computer hardware?

To capture images from source documents
To capture handwritten input as it is being written (correct)
To slide along a flat surface to move a pointer around the screen
To provide audio input to the computer

What is the primary use of pen-based computers?

To capture handwritten input as it is being written
To issue commands and input data (correct)
To scan photos, documents, and drawings
To provide output in the form of display devices

What is the function of touch screens in the context of computer hardware?

To select and manipulate objects, input data, and issue commands to the computer (B) Signup and view all the answers

In the context of computer hardware, what are graphics tablets or digitizing devices primarily used for?

Capturing handwritten input electronically on the screen (D) Signup and view all the answers

What is the main function of scanners (optical scanners) as input devices?

Captures images and transfers them to the computer in digital form (A) Signup and view all the answers

What is one of the primary uses of pen-based systems that capture handwritten input as it is being written?

Transferring handwritten input to a computer using special paper with a grid of dots (C) Signup and view all the answers

What is the main purpose of pointing devices like joysticks, gamepads, and trackballs?

Selecting and manipulating objects, inputting data, and issuing commands to the computer (C) Signup and view all the answers

What is a key feature of keyboards typically used in portable computers and mobile devices?

"Pen or touch input (on-screen keyboard)" (C) Signup and view all the answers

What are mice commonly used for as pointing devices?

Moving a pointer around the screen and clicking buttons to make selections (B) Signup and view all the answers

What is one primary function of portable computers and mobile devices in terms of keyboards?

Used to enter characters at the location marked by the insertion point or cursor (A) Signup and view all the answers

What is a common feature of keyboards found in most computers today?

Most computers today are designed to be used with a keyboard (D) Signup and view all the answers

What is one primary use of pointing devices like touch screens?

Touching with the finger to select commands or otherwise provide input to the computer (D) Signup and view all the answers

What type of device presents output visually on some type of screen?

Display device (C) Signup and view all the answers

What is the primary function of printers in the context of computer hardware?

Visual output (A) Signup and view all the answers

What is the main characteristic of most displays today?

Color displays (D) Signup and view all the answers

What type of devices are commonly used in portable computers and mobile devices?

Display screens and keyboards (D) Signup and view all the answers

Which type of pointing devices are commonly used in the context of computer hardware?

Pen-based systems and touch screens (B) Signup and view all the answers

What is the purpose of digital signage systems and digital billboards in terms of display devices?

Visual output (C) Signup and view all the answers

Which type of printers use liquid ink or toner?

Ink-Jet Printers (B) Signup and view all the answers

What is the standard for business documents in terms of printers?

Laser Printers (D) Signup and view all the answers

What is the function of impact printers?

Actually strike the paper to transfer ink (D) Signup and view all the answers

What type of printers are used to produce multipart forms?

Dot Matrix Printers (A) Signup and view all the answers

What connection option is most common for laser printers?

USB connection (B) Signup and view all the answers

Which type of display devices use filters, prisms, and multiple lenses to create 3D effects?

3D Displays (B) Signup and view all the answers

What is the measure of screen resolution on a display device?

Number of pixels (D) Signup and view all the answers

What type of projectors are pocket-size and connect to mobile and portable devices?

'Pico' Projectors (A) Signup and view all the answers

Which type of display device physically connects to the system via a cable?

'Wired' Displays (A) Signup and view all the answers

What is the primary purpose of data and multimedia projectors?

'Printing all computer output' (B) Signup and view all the answers

'Tiled' projectors use multiple projectors to display content from a single source. What do 'Hologram' projectors use to create 3D images?

All of the above (D) Signup and view all the answers

What do color printers commonly use for printing?

Liquid ink or toner cartridges (A) Signup and view all the answers

Pointing Devices

Devices that select and manipulate objects, input data, and issue commands to the computer.

Stylus

A tool used to capture handwritten input as it is being written.