• Introduction to computing - Computer hardwareIntroduction to computing - Computer hardware

    For backing up data  Magnetic tape  Magnetic disk  Hard disk  Floppy disk  Zip disk  Optical disk  Flash memory

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  • Introduction to computing - Operating systemsIntroduction to computing - Operating systems

    Main memory sometimes may not large enough to accommodate large programs  Virtual memory:  use direct access backing storage as if it is main memory  Addressable memory space is beyond the physical capacity of the main memory  Programs are divided in to pages (unit of virtual storage)  Only parts of the program needed to be loaded to ma...

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  • Introduction to computing - Computer filesIntroduction to computing - Computer files

    Sharing hardware and software Printer sharing Network applications  Sharing data Windows file sharing network P2P file sharing  Sharing processing activities Client-server a

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  • Introduction to computing - DatabasesIntroduction to computing - Databases

    In distributed database system, the database is subdivided over multiple computer systems but appear to users as a single database  Considerations Distribution transparency Transaction transparency  Integrity must be maintained across databases

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  • Introduction to computing - Programming languagesIntroduction to computing - Programming languages

    Object programs are not generated in this form of translation  Source code statements are translated and executed separately, once after another  Every time a program is run, the interpreter has to read and translate the source code again

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  • Introduction to computing - Program designIntroduction to computing - Program design

    Installation instructions  Detailed explanation of the program operations  Tutorial  Screen shot  Trouble shooting guide

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  • Introduction to computing - ProgrammingIntroduction to computing - Programming

    A binary search tree is a binary tree that has the following characteristics Each node has a distinct value Values of all the nodes of the left subtree of a node are smaller than the node’s value Values of all the nodes of the right subtree of a node are greater than the node’s value

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  • Introduction to computing - ApplicationsIntroduction to computing - Applications

    Firewall  Antivirus software  Email encryption  Encryption and authentication  Frequent updates of software  Always beware of incoming threads

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  • Introduction to computing - Organisational and social issuesIntroduction to computing - Organisational and social issues

    Computer waste - the inappropriate use of computer technology and resources in both the public and private sectors  Identity theft - a crime in which an imposter obtains key pieces of personal identification information in order to impersonate someone else  Software and Internet piracy - represent the most common computer crime

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  • Tin học văn phòng - Chương 1: Giới thiệu về máy tính cá nhân (PC)Tin học văn phòng - Chương 1: Giới thiệu về máy tính cá nhân (PC)

    Chương này giới thiệu ngành công nghiệp CNTT, các lựa chọn chương trình đào tạo và việc làm, và một số chứng chỉ chuẩn công nghiệp. Chương này cũng khái quát các thành phần của một máy tính cá nhân (PC).

    pptx74 trang | Chia sẻ: nguyenlam99 | Ngày: 08/01/2019 | Lượt xem: 855 | Lượt tải: 0