Exam 1: Introduction to the World of Computers

The physical parts of a computer are collectively referred to as ____________________.

To begin to use a computer, the user first turns on the power by pressing the power button, and then the computer displays a prompt for the user to decide the next course of action.

Just as you can learn to drive a car without knowing much about car engines, you can learn to use a computer without understanding the technical details of how a computer works.

Fifty years ago, computers were used primarily by researchers and ____.

Systems analysts design computer systems to be used within their companies.

Discuss the role of computers on the job.

The accompanying figure shows a notebook computer.

Discuss the development and characteristics of second-generation computers.

A(n)____ is a medium-sized computer used to host programs and data for a small network.

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

____ is typically free and provided by virtually all ISPs used with personal computers.

The Windows ____ shown in the accompanying figure contains the following objects: Windows, Icons, Menus, Toolbars, Taskbar, Hyperlinks, Sizing buttons, and a Dialog box.

Once you have an Internet connection, you are ready to begin programming the Web-that is, using a Web browser to view Web pages.

The first computers were powered by thousands of ____________________ that needed replacing constantly, required a great deal of electricity, and generated a lot of heat.

Communications hardware includes modems, which are used to connect a computer to the Internet and network projectors , which are used to connect a computer to a computer network. _________________________

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). _________________________

One of the most common online security risks today is your PC becoming infected with (a)____________________.

In addition to the four primary computer operations, today's computers typically also perform ____ functions.

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

With the advent of ____, integrated circuits incorporating many transistors and electronic circuits on a single tiny silicon chip, allowed computers to be even smaller and more reliable than earlier computers.