TAILIEUCHUNG - Lecture Computer literacy - Lecture 06: Interfacing with Computer

After studying this chapter you will be able to understand: What is the difference between drives and folders. What is the purpose of file extensions? Give two examples. What is the purpose of windows explorer? Differentiate between cut and copy? What is the purpose of Read-Only file attribute. | Interfacing with Computer ADE100- Computer Literacy Lecture 06 Knowledge test What is the difference between drives and folders. What is the purpose of file extensions? Give two examples. What is the purpose of windows explorer? Differentiate between cut and copy. What is the purpose of Read-Only file attribute. Topics covered Types of storage devices Practically knowing and accessing storage devices/drives Data transfer between different storage devices Storage devices 6B-5 Measuring & Improving Drive Performance Average access time Also known as seek time Time to find desired data Measured in milliseconds Depends on two factors RPM- Revolutions Per Minute Time to access a track Hard drive between 6 and 12 milliseconds CD between 80 and 800 milliseconds 5 Teaching tip To provide contrast, present the speed of memory as measured in the nanoseconds, or billionth of a second. Then discuss virtual RAM as defined earlier in the text. More RAM, less virtual RAM makes a faster machine. 6B-6

• Tin học văn phòng
• Computer Literacy
• Lecture Computer literacy
• Computer science
• Introduction to computers
• Computer applications
• Storage devices
• Computer Networks
• Computer Ethics
• Transferring images
• Central Processing Unit
• Operating system software
• Operating system
• Folder properties
• Working with tables
• Advanced features
• Using Productivity Application
• Formatting cells
• Doing mathematics
• Print properties
• Microsoft PowerPoint
• Assignment presentation
• Saving Web Resources
• Communication through internet