26 terms

Discovering Computers Chapter 3

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Terms in this set (...)

Motherboard
The main circuit board of the personal computer; Two main components on the motherboard are the processor and memory.
Control Unit
The component of the processor that directs and coordinates most of the operations in the computer.
Processor
Also called a CPU (central processing unit), is the electronic component that interprets and carries out the basic instructions that operate a computer.
Arithmetic Unit
Component of the processor that performs arithmetic, comparison, and other operations.
Supercomputer
The fastest, most powerful computer and the most expensive.
Smartphone
An Internet-capable phone that usually also includes a calendar, an appointment book, an address book, a calculator, a notepad, games, browser, and numerous other apps.
Server
A computer dedicated to providing one or more services to other computers or devices on a network. (or) Computer that controls access to the hardware, software, and other resources on the network and provides a centralized storage area for programs, data, and information.
C++
An object-oriented programming language developed in the 1980s by Bjarne Sroustrup at Bell Laboratories that is an extension of the C programming language.
C#
An object-oriented programming language from Microsoft that aims to combine the computing power of C++ with the programming ease of Visual Basic. C# is based on C++ and contains features similar to those of Java.
Windows
A well known operating system used for smartphones and computers as well as other devices.
Visual Basic
An object-oriented application development tool
Kiosk
A freestanding terminal that usually has a touch screen for user interaction. Types of kiosks include financial, photo, ticket, vending, and visitor
Digital Camera
A mobile device that allows users to take pictures and store the photographed images digitally.
Connector
Used to join a cable to a port
Undervoltage
Occurs when the electrical supply or voltage drops, often defined as more than five percent, below the normal volts
USB
Universal Serial Bus
ATM
A self-service banking terminal that connects to a host computer through a network.
Resolution
The number of horizontal and vertical pixels in a display device. You often hear the terms high or low resolution based on the number of pixels.
Malware
Programs that act without a user's knowledge and deliberately alter the operations of computers and mobile devices.
Operating System
Platform that coordinates the functions of various hardware components and determined the types and brands of application software you can use
Laptop
Computing device that is highly functional and very portable, likely to be used by a traveling salesperson who constantly needs to update a database after client visits
Desktop computer
Computer hardware that is not very portable, but highly functional, perhaps used by a graphic designer creating a logo using complex graphics software, printer, and digital camera add-ons
Peripheral
Device that can be attached to a computer to extend the computer's functionality, such as adding printing or video capabilities
Convertible computer
Device with a detachable keyboard that can convert to a tablet for mobility
Surge suppressor
Also called a surge protector - uses electrical components to provide a stable current flow and minimize the chances of an overvoltage reaching the computer and other electronic equipment
Embedded computers
A special-purpose computer that functions as a component in a larger product.
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