Đồ án, luận văn, do an, luan van

Data and Information How are data and information related?  Data is raw facts  Information is data that is organized and meaningful  Computers process data into information Step 1. The member data, including a photograph, is entered and stored on the hard disk. Step 2. The computer extracts he member data from disk.

42 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 426 | Lượt tải: 0

Communications What are computer communications?  Process in which two or more computers or devices transfer data, instructions, and information Sending device — initiates instruction to transmit data, instructions, or information Communications device — connects the sending device to the communications channel Communications channel — media...

49 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 419 | Lượt tải: 0

System Software What is system software? Programs that maintain operation of computer Two types are operating systems and utility program Operating system (OS) (sometimes called the platform) coordinates all activities among computer hardware resources

51 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 425 | Lượt tải: 0

Storage What is storage?  Holds data, instructions, and information for future use  Storage medium is physical material used for storage  Also called secondary storage What is capacity? Kilobyte (KB) 1 thousand Megabyte (MB) 1 million Gigabyte (GB) 1 billion Terabyte (TB) 1 trillion Petabyte (PB) 1 quadrillion  Number of bytes (chara...

50 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 448 | Lượt tải: 0

What is output?  Data that has been processed into a useful form,  Output device is any hardware component that can convey information to user Display Devices What is a display device?  Output device that visually conveys information  Information on display device sometimes called soft copy  Monitor houses display device as separate ...

46 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 442 | Lượt tải: 0

What Is Input? What is input?  Input device is any hardware component that allows users to enter data and instructions  Data or instructions entered into memory of computer What are the two types of input?  Unprocessed text, numbers, images, audio, and video  Instructions  Programs  Commands  User responses  Data

53 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 457 | Lượt tải: 0

What is the system unit?  Case that contains electronic components of the computer used to process data  Sometimes called the chassis What are common components inside the system unit?  Memory  Adapter cards  Sound card  Video card  Ports  Drive bays  Power supply power supply ports drive bays processor memory  Process...

53 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 402 | Lượt tải: 0

Identify the categories of application software Explain ways software is distributed Explain how to work with application software Identify the key features of widely used business programs Identify the key features of widely used graphics and multimedia programs Identify the key features of widely used home, personal, and educational programs...

43 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 398 | Lượt tải: 0

Discuss the history of the Internet Explain how to access and connect to the Internet Analyze an IP address Identify the components of a Web address Explain the purpose of a Web browser Search for information on the Web Describe the types of Web sites Recognize how Web pages use graphics, animation, audio, video, virtual reality, and plug-in...

58 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 438 | Lượt tải: 0

Recognize the importance of computer literacy Define the term, computer Identify the components of a computer Discuss the advantages and disadvantages of using computers Recognize the purpose of a network Discuss the uses of the Internet and World Wide Web Distinguish between system software and application software Describe the categories o...

49 trang | Chia sẻ: candy98 | Ngày: 02/12/2020 | Lượt xem: 435 | Lượt tải: 0