arabera Numa Numa 11 years ago
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Honelako gehiago
The devices that can be used for audio input:
* Voice inputand speech recognition systems.
* Music input system.
Scanners is a 1981 science-fiction horror action film written and directed by David Cronenberg and starring Jennifer O'Neill, Stephen Lack, and Patrick McGoohan. In the film, "scanners" are people with unusual telepathic and telekinetic powers. ConSec corporation searches out scanners to use them for its own purposes. The film's plot concerns the attempt by Darryl Revok, a renegade scanner, to wage a war against ConSec. Another scanner, Cameron Vale, is dispatched by ConSec to stop Revok.
http://en.wikipedia.org/wiki/Scanners
Pointing devices: Used to select and manipulate objects
– Used to input data
– Used to issue commands to the computer
• Common types of pointing devices:
– Mouse
– Pen/stylus
– Touch screen
This chapter covers:
– Different types of keyboards and pointing devices
– Types of scanners, readers, and digital cameras
– Audio input devices
– Types of display devices and how they work
– Types of printers and how they work
– Audio output
Computer designers have been trying to make faster and more powerful computers for over many years.
CPU is that in a single component, a variety of circuitry and components packaged together.
The main case of a computer is the system unit.
This section talks about how computer system represents the instructions of data and programs.
Representing Software Programs: Machine Language.
Representing Numerical Data: The binary numbering System Coding System for Text-Based Data Coding System for Other Types of Data
Digital Data Representation
Information Integrity
The Anonymity Factor
Risks of the Computer-Oriented Society
what are the internet and world wide web?
accessing a Network or the Internet surfing the web, searching the web, e-mail.
Software
Hardware
why we learn about computers?
because we use computers in the home, education, on the job and on the go.
