Exam 1: Introduction to the World of Computers

____ are unique numeric or text-based addresses used to identify resources accessible through the Internet, such as computers, Web pages, and people.

Dr.Herman Hollerith's Punch Card Tabulating Machine and Sorter was the first electromechanical machine that could read slide rules.

Notebook computers (also called laptops)are fully functioning computers that open to reveal a screen and keyboard.

The external hardware components are located inside the main box or system unit of the computer.

Integrated circuits incorporate many transistors and electronic circuits on a single tiny silicon chip,allowing ____ to be even smaller and more reliable than earlier computers.

A mainframe computer is the standard choice for large organizations that need to manage large amounts of centralized data.

-As shown in the accompanying figure,the computer is used extensively for access control at many organizations,such as ____ that allow individuals to enter the office building,punch in or out of work,or access the company network by providing the proper credentials or being authenticated via a fingerprint or hand scan.

There are application programs that help users write their own programs using a programming language.

The term ____ refers to the programs or instructions used to tell the computer hardware what to do.

Web browsers maintain a History list, which is a record of all Web pages visited during the period of time specified in the browser settings.

____ occurs when data is entered into the computer.

Consumer ____________________ are small self-service computer-based stations,such as ATM machines,bridal registries,and ticketing systems.

Satellite communication (more commonly called s-com)is the process of exchanging electronic messages between computers over a network-usually the Internet.

____ are illustrations of faces showing smiles,frowns,and other expressions that are created with keyboard symbols.

The ISP is the largest and most well-known computer network in the world.

A ____ is a collection of hardware and other devices that are connected together so that users can share hardware,software,and data,as well as electronically communicate with each other.

An e-mail address consists of a(n)username,followed by the @ symbol,followed by the domain name for the computer that will be handling that person's e-mail (called a mail server).

Similar to the way an IP address or domain name uniquely identifies a computer on the Internet,a ____ uniquely identifies a Web page.

Most notebooks follow the traditional ____ design in which the monitor is on the inside top half of the PC,and the keyboard and touch pad are on the inside bottom half.

A user inputs data into a computer,and then the computer processes it.