Download Midterm Review - Microcomputer Applications | CS 1033 and more Study notes Microcomputers in PDF only on Docsity! Midterm Review Introduction to Computers 1. What is a computer? A computer is an electronic device, operating under the control of instructions stored in its own memory 2. List five categories of hardware. 1) Input device, 2) Output device, 3) System Unit, 4) Storage device, 5) Communications device. 3. List advantages and disadvantages of using computers Advantages: speed, reliability, consistency, storage, communications Disadvantages: Health risks, Violations of privacy, Public Safety, Impact on labor force, impact on environment. 4. What is green computing? What strategies are used to support green computing? Green computing involves reducing the electricity consumed and environmental waste generated when using a computer. Strategies include: Recycling Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers 5. What is software? What are the two main categories of software? Software, also called a program, tells the computer what tasks to perform and how to perform them 1) System software 2) application software 6. List the categories of computer. 7 categories Personal computer Mobile computers and mobile device Game counsels Servers Mainframes Super computers Embedded computers 7. List the elements of information system. 5 elements Hardware Software Data People Procedures The Internet and World Wide Web 1. What is internet? List two most widely used internet service. The Internet is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals 1) E-mail 2) Internet 2. What is access provider? What are the three categories of access provider? An access provider is a business that provides individuals and organizations access to the Internet free or for a fee 1) ISP – internet service provider 2) OPS – Online service provider 3) WISP – Wireless Internet service provider 3. What are IP address and domain name? What are the functions of DNS server? An IP address is a number that uniquely identifies each computer or device connected to the Internet A domain name is the text version of an IP address Top-level domain (TLD) A DNS server translates the domain name into its associated IP address 4. List some top-level domains and their purposes. Gov – government agencies Com – commercial organization, businesses and companies Edu – educational organizations Info – business organization or individuals providing general information Org – non-profited organizations 5. What is web site? A Web site is a collection of related Web pages and associated items 6. What is the major difference between Web 2.0 and conventional web sites? Web 2.0 refers to Web sites that provide a means for users to interact 7. What is web browser? List the most widely used browsers. A Web browser, or browser, allows users to access Web pages and Web 2.0 programs
