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Bài giảng Tự học Excel

Bài giảng Tự học Excel sẽ giới thiệu tới các bạn về Microsoft Excel; làm việc với bảng tính; hàm (Function);... Hy vọng tài liệu là nguồn thông tin hữu ích cho quá trình học tập và nghiên cứu của các bạn.

8/30/2018 5:11:53 AM +00:00

Lecture A+ Certification (3/e): Chapter 14 - James Karney

Chapter 14, Connectivity and networking, discusses the basics of how a computer network functions and technology that links a PC to the network. The main contents of this chapter include all of the following: Networking requirements, network types and topologies, network cabling, local area network (LAN) communication, maintaining and troubleshooting networks.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 15 - James Karney

Chapter 15, Telecommunications and the internet, covers the installation and use of modems and other telecommunications devices, as well as the growing importance of the Internet to both technicians and their clients.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 16 - James Karney

Chapter 16, Operating system fundamentals, is an introduction to operating systems and applications software. It focuses on the early operating system MS-DOS, and how to use the DOS-mode command prompt and programs that are still critical to performing many upgrade and maintenance functions.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 17 - James Karney

Chapter 17, Introducing and installing microsoft windows, discusses the development of this now dominant operating system from Microsoft. It presents the differences between the different versions and gives you a foundation for the advanced skills presented in the following chapters. Both Windows 9x and Windows 2000 installations are covered.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 18 - James Karney

Chapter 18, Running microsoft windows, covers the various tools provided by the Windows 9x and Windows 2000 Professional operating systems that a computer technician uses to manage and maintain both the operating system and the hardware components of the computer.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 19 - James Karney

Chapter 19, Maintaining the modern computer, focuses on the tools and techniques used to keep a computer operating properly, the use of system software, and how to safeguard critical system files and user data.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 20 - James Karney

Chapter 20, Upgrading a computer, covers the basic tools and techniques used to perform common upgrades to a computer, including upgrading memory, expansion card operations, and computer disassembly and reassembly.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): ChapterChapter 21, Troubleshooting Techniques and Client Relations, covers the techniques and procedures used to resolve problems related to both hardware and software. It also discusses how to recover from a complete hard drive failure and corruption of core system f

Chapter 21, Troubleshooting techniques and client relations, covers the techniques and procedures used to resolve problems related to both hardware and software. It also discusses how to recover from a complete hard drive failure and corruption of core system files and how to deal with clients.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 22 - James Karney

Chapter 22, The basics of electrical energy, covers electricity and how it relates to the computer. A computer technician does not need to be an electrical engineer, but does need to be able to perform basic tests and to work safely. This chapter provides the reader with background in these issues.

8/30/2018 5:11:33 AM +00:00

Lecture A+ Certification (3/e): Chapter 1 - James Karney

Chapter 1, Introduction to Computers, sets the background for the rest of the lessons. It provides a historic view of computers from their humble beginnings to today's high-speed marvels. This section also explores the role of today's computer technician.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 2 - James Karney

Chapter 2, Understanding electronic communication, discusses how computers communicate. It explains the differences between the language we use and the language of machines.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 3 - James Karney

Chapter 3 - An overview of the personal computer. In this chapter, we expand on the material in the preceding chapters with an explanation of the Input/Process/Output (I/P/O) model and see how it can be used to help us understand the functional design of the personal computer (PC). We go on to define the hardware components that a computer professional can expect to encounter every day—the computer parts that you actually touch.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 4 - James Karney

Chapter 4 - The central processing unit. This chapter presents an overview of the CPU (central processing unit), which functions as the brain of the personal computer. Like the human brain, a CPU is a complicated, highly integrated component performing many simultaneous functions. Understanding the principles that underlie the workings of the microprocessor is critical to understanding the computer and its operation.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 5 - James Karney

Chapter 5, Power supplies, covers power supplies, including how they work and how to troubleshoot problems. The power supply is an often-underrated part of a computer. Many transient problems can be related to a faulty power supply or to poor electrical supply from the local provider. Electronic components require a steady electrical current, free of surges or drops. The power supply is responsible for providing clean, constant current.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 6 - James Karney

Chapter 6 - Motherboard and ROM BIOS, discusses the design and function of primary foundation components: the motherboard and the BIOS (basic input/output system).

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 7 - James Karney

Chapter 7 - Memory. In earlier chapters, we learned that the CPU (central processing unit) and motherboard (bus and controllers) are critical components that help determine the overall speed with which a computer can process data. This chapter looks at another important system component and performance factor: memory.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 8 - James Karney

The success of the personal computer is due largely to its ability to expand to meet the changing needs and economic requirements of the user. In this chapter, we describe the array of expansion buses that help to expand the system and work with an ever-growing number of enhancements, including modems, video cards, and portable drives. We also discuss conflicts within the computer—how they are created and reconciled.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 9 - James Karney

Chapter 9 - Basic disk drives. This chapter is all about drives - disk drives - that come in assorted sizes and shapes. The first disk drives were physically large, small in capacity (limited in the amount of data they could store), and very expensive. Today, disk drives are physically small, large in capacity, and (compared to early drives) very inexpensive.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 10 - James Karney

This chapter picks up where the previous chapter left off; we continue our look at disk drives, moving on to more advanced technologies. The lessons in this chapter cover CD-ROM/DVD drives, newer and larger hard disk drives, and Small Computer System Interface (SCSI) drives. In the final lesson, we also explain the basics of the SCSI interface.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 11 - James Karney

Chapter 11, The display system, covers monitors, flat screen panels, display adapters, how they work, and how to troubleshoot them. This chapter discusses how these devices work in unison to provide an acceptable display for applications ranging from simple desktop productivity tools like word processors to advanced graphics workstations that can create life-like animations for big-screen movies.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 12 - James Karney

Chapter 12, Printers, covers the different types of printers, how they interact with the PC, and how to install and care for them. This chapter discusses one of the most important add-ons to the typical PC (personal computer). After monitors, printers are the second most common output devices.

8/30/2018 5:11:32 AM +00:00

Lecture A+ Certification (3/e): Chapter 13 - James Karney

Chapter 13, Portable computers, explores the features of portable (laptop and notebook) computers. Portable computers, once a novelty, are now a part of everyday business life. Portable computers work and act just like larger systems, except they are very compact. In this chapter, we look at those elements that make a portable computer unique.

8/30/2018 5:11:32 AM +00:00

Giáo trình Excel nâng cao

Nội dung giáo trình gồm 9 bài học: Hệ thống hóa kiến thức cơ bản về Excel; làm bài tập kiểm tra trình độ sử dụng Excel; kỹ năng sử dụng hàm trong Excel; phương pháp tổ chức bảng dữ liệu; phương pháp kết nối, tổng hợp, kết xuất dữ liệu; trình bày, in ấn, lưu trữ, bảo mật, phân phối bảng số liệu, file; marco và VBA trong Excel; cách lập một số mẫu báo cáo điển hình; bài tập kiểm tra, tổng kết.

8/30/2018 5:11:32 AM +00:00

Bài tập thực hành Excel ôn thi Tin học đại cương

Tài liệu "Bài tập thực hành Excel ôn thi Tin học đại cương" cung cấp cho người học các bài tập thực hành Excel thường được sử dụng trong các đề thi Tin học đại cương. Với các bạn đang học và ôn thi Tin học thì đây là tài liệu tham khảo hữu ích.

8/30/2018 5:11:29 AM +00:00

Hướng dẫn sử dụng phần mềm gõ tốc ký chữ Việt TocKyVNKey1_8VNI

Phần mềm gõ chữ Việt tốc ký, tiết kiệm thao tác ngón tay rất nhiều, có các phương pháp tính và các tiện ích khác rất hữu ích trong việc soạn thảo văn bản, không cần cài đặt, có thể chạy từ USB trên bất kỳ máy nào. Tham khảo nội dung tài liệu Hướng dẫn sử dụng phần mềm gõ tốc ký chữ Việt TocKyVNKey 1.8 VNI để nắm bắt đầy đủ nội dung chi tiết.

8/30/2018 5:11:28 AM +00:00

Hướng dẫn sử dụng phần mềm gõ tốc ký chữ Việt TocKyVNKey 1.7 Telex

Mời các bạn cùng tham khảo nội dung tài liệu Hướng dẫn sử dụng phần mềm gõ tốc ký chữ Việt TocKyVNKey 1.7 Telex dưới đây để nắm bắt được cách sử dụng, cách gõ tốc ký, bảng điều khiển, bảng thông tin, đổi cách gõ tốc ký, các tệp trong TocKyVNKey 1.7,... Với các bạn chuyên ngành Công nghệ thông tin thì đây là tài liệu tham khảo hữu ích.

8/30/2018 5:11:28 AM +00:00

Multilingual Automated Typist

Multilingual Automated Software Typist foreign language typing shorthand method that allows users to install a number of shortcut unlimited. There convert part of the English word prepared, the method of calculation, unit conversion, the utilities used in the text editor.

8/30/2018 5:11:28 AM +00:00

Giáo trình Tin học - CĐN Yên Bái

Giáo trình Tin học này cung cấp cho sinh viên những kiến thức cơ bản về tin học, kiến thức lập trình trong ngôn ngữ Pascal và một số phần mềm được ứng dụng rộng rãi nhất hiện nay. Từ đó giúp sinh viên nâng cao hiểu biết về tin học và vận dụng kiến thức tin học vào các môn chuyên ngành, cũng như vận dụng tin học vào các công việc của mình.

8/30/2018 5:09:50 AM +00:00

Bài giảng Tin học ứng dụng phân tích dữ liệu nghiên cứu với SPSS - Bài 3: Nhập môn với SPSS

Bài giảng Tin học ứng dụng phân tích dữ liệu nghiên cứu với SPSS - Bài 3: Nhập môn với SPSS cung cấp cho người học các kiến thức: Các khái niệm cơ bản, quy trình phân tích dữ liệu, dữ liệu và thang đo, nguyên tắc mã hóa và nhập liệu, làm quen với SPSS. Mời các bạn cùng tham khảo nội dung chi tiết.

8/30/2018 5:09:36 AM +00:00