is a worldwide collection of computer networks that allows people to communicate and exchange information quickly and easily.
is a service the Internet offers that enables individuals and businesses to test and market products and services to a global audience.
Why do businesses use the WWW?
to sell, advertise, and communicate with costumers as well as employees
What types of networks use radio frequency signals to transmit data between individual computers and devices that are physically connected to a network?
are keywords that relate to the topic for which you want to find information on the Web
The design and construction of the hardware of a particular computer is referred to as its
architecture or configuration
A computer interprets every signal as either "on" or "off, " using numbers known as
binary digits (bits)
an electronic device that accepts information and instructions from a user, manipulates the information according to the instructions, displays the information in some way, and stores the information for retrieval later
What is mounted on the motherboard and is responsible for executing instructions to process data?
The CPU (central processing unit)
Because a computer can access ____ memory more quickly than RAM, frequently and recently accessed data and commands are stored there instead of in RAM.
BIOS (basic input/output system)
the set of instructions that tells a computer to initialize the motherboard, how to recognize devices connected to the computer, and to start the boot process
A file that contains the instructions that tell a computer how to perform a specific task.
connects one computer to other computers, enabling you to share data and resources with others.
is a strip that contains buttons to give you quick access to common tools and running programs.
When you point to icons on the taskbar, a(n) ____ displays to tell you the name or purpose of the object.
Since John will be transferring personal files from the existing computer to a new one, he should make sure the new computer includes a ____.
John will be updating some of Max's personal documents, such as his address labels, on his own laptop. John prefers to use his flash drive for transferring files. Therefore it would be helpful if Max's home computer included a(n) ____.
Max wants the following information on his "home and personal" computer: medical records, vacations, and tax information. Max wants to keep the tax information for his five family members separate. John creates ____.
refers to the steps a computer owner takes to prevent unauthorized use of or damage to the computer
enables you to perform specific computer tasks, such as document production, spreadsheet calculations, and database management
An external peripheral device must have a corresponding expansion port and cable that connect it to the computer.
A motherboard is a(n) ____________________, a rigid piece of insulating material with electrical paths on it that control specific functions.
A system resource is any part of the computer system, including memory, storage devices, and the microprocessor, that can be used by a computer program.
means that data, applications, and even resources are stored on servers accessed over the Internet rather than on users' computers.
CMOS (Complementary metal oxide semiconductor memory)
changes every time you add or remove hardware; therefore, it is often referred to as semipermanent memory.
Of the following, generally the most expensive computer (given similar capabilities) is a ____.
The original ASCII system consisted of a total of ____________________ common characters and nonprinting control characters.
The communications software that helps you navigate the Web is called ____________________.
a web browser
is space on Windows Live servers where you can store up to 25 GB of files in public or private folders, or in folders that you make available to only people you specify.