Discovering Computers Chapter 1 Quiz

Course Information

• Course name: MNG 1202 - Computer Studies
• Instructor: Rondel McArthur
• Email: [email protected]

Discovering Computers 2016

• Chapter 1: Introducing Today's Technologies

Objectives Overview

• Differentiate among laptops, tablets, desktops, and servers
• Briefly explain various input options
• Describe the purpose and uses of smartphones, digital cameras, portable and digital media players, e-book readers, wearable devices, and game devices
• Differentiate the web from the Internet, and describe the relationship among the web, webpages, websites, and web servers
• Describe the relationship between data and information
• Explain the purpose of a browser, a search engine, and an online social network
• Briefly describe digital security risks associated with viruses and other malware, privacy, your health, and the environment
• Differentiate between an operating system and applications
• Discuss how society uses technology in education, government, finance, retail, entertainment, health care, science, travel, publishing, and manufacturing
• Differentiate between wired and wireless technologies, and identify reasons individuals and businesses use networks
• Identify technology used by home users, small/home office users, mobile users, power users, and enterprise users

Today's Technology

• Technology is constantly changing
• Digital literacy is crucial to keep up with these changes
• Digital literacy involves current knowledge and understanding of computers, mobile devices, the web, and related technologies

Computers

• A computer is an electronic device operating under the control of instructions stored in its own memory
• Computers accept data (input), process it, and produce information (output)
• Types of computers: Laptop, Tablet, Desktop, and All-in-One, Server

Mobile and Game Devices

• Examples of mobile and game devices: Smartphone, Digital camera, Portable and digital media player, E-book reader, Wearable device, Game device

Digital Convergence

• A trend where computers and devices use overlapping technologies

Data and Information

• Data is entered by a cashier into a computer system
• The computer processes the data to produce information
• The information is used to create a receipt
• The steps for processing the data into information are described

Input

• Keyboard: Input device with keys to enter data and instructions
  • Different types of keyboards: Desktop, Laptop, on-screen, mini, virtual
• Pointing device: Input device for controlling a pointer on the screen
  • Types: Mouse, touchpad
• Mobile devices and computers support voice input for instructions, and capture live full-motion images using video input.
• Scanner: Input device that converts printed text and images into a form the computer can process.

Output

• Printer: Output device that produces text and graphics on a physical medium
  • Types of printers: 3D printers
• Display: Output device used to show text, graphics, and video information
  • Types of displays: Smartphone, Digital camera display, Tablet, Laptop, Monitor
• Speakers/Earbuds/Headphones: Output devices for audio information

Memory and Storage

• Memory is used to store instructions and data in a computer
• Computers use storage media to hold data, instructions and information

Storage

• Types of storage: Hard Disk, Solid-State Drive, USB Flash Drive, Memory Card, Optical Disc, Cloud Storage

The Web

• The Internet is a global network of computer networks that connect businesses, government agencies, educational institutions, and individuals.
• The World Wide Web (or web) is a global library of information available to anyone who is connected to the Internet
• The web is made up of linked electronic documents called webpages
• Websites are collections of related webpages
• A web server delivers requested webpages to your computer
• Browsers allow access and viewing of webpages
• Search engines are software programs to locate websites, webpages and other information

The Web (continued)

• Search engine: software to find websites, webpages, images, videos, news, maps, and other information on a specific topic
• Online Social Network: Facilitates sharing of interests, ideas, stories, photos, music, and videos among members.

Digital Safety and Security

• It is important that users protect their computers and mobile devices from threats.
• Examples of threats include viruses and other malware, privacy issues, health concerns, and environmental issues.
• Green computing aims to reduce electricity consumption and waste generated by computers by recycling; adapting energy-efficient hardware, and extending the useful life of computers.

Programs and Apps

• Installing a program is setting it up on the computer or mobile device, including connecting to the printer, and other hardware devices.
• Programs can be used with a user-interface.
• Software developers create programs and apps to give computers or mobile devices instructions to process data effectively.

Communications and Networks

• Communications devices transfer data from computers and devices to transmission media via cables and wireless technologies.
• Various communication technologies are available for transfer of information, such as chat rooms, email, fax, FTP, GPS, instant messaging, the Internet, newsgroups, RSS, video conferencing, voice mail, VoIP, Wireless Internet access points, and wireless messaging services.
• Networks are a collection of computers connected together, often wirelessly, via network devices and transmission media.

Communications and Networks (continued)

• Types of Networks: Home Networks and Business Networks
• Technology Uses: Education, Government, Finance, Retail, Entertainment, Health Care, Science, Travel, Publishing, Manufacturing
• Technology Users: Home User, Small/Home Office User, Mobile User, Power User, Enterprise User.

Chapter Summary

• Summary of basic computer concepts, input, output, memory, storage; digital security and safety precautions; uses of technology applications in society; and Internet.