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  • Computer screen or monitor

    Introduction to computer monitors A monitor (or screen) is a computer display unit. There are generally said to be two families of monitors: Cathode-ray tube monitors (or CRT for short), which are used with most desktop computers. They are ... Read more

    Computer
    November 1, 2012 at 04:17 PM
  • Formatting - Formatting a hard drive

    Before trying to understand formatting, you first need to understand how a hard drive works. Many people do not distinguish low-level formatting (also called physical formatting) from high-level formatting (also called logical formatting). ... Read more

    Computer: maintenance
    October 16, 2008 at 09:43 AM
  • Smileys (emoticons)

    Why smileys? When typing words on the Internet, it's not always easy to convey feelings, emotions, or concepts like humor to the people you're communicating with. Here's a simple tip for getting the right message across: Use ASCII ... Read more

    World Wide Web
    October 16, 2008 at 09:43 AM
  • ASCII Code

    Data coding What is ASCII code? ASCII Character Chart Extended ASCII Character Chart EBCDIC code Unicode Data coding Morse code was the first code used for long-distance communication. Samuel F.B. Morse invented it in 1844. This code is ... Read more

    Encoding
    November 12, 2012 at 12:40 PM
  • E-mail scams - Fund transfer scams

    Scams A "scam" is a fraudulent practice of African origin that involves extorting funds from internet users by enticing them with a sum of money and promising them a share of it. The use of scams originated in Nigeria, which has also given ... Read more

    Attacks
    October 16, 2008 at 09:43 AM
  • Passwords

    Passwords Attack methods Brute force cracking Dictionary attack Hybrid attack Choosing a password Password policies Multiple ... Read more

    Attacks
    November 12, 2012 at 12:41 PM
  • MIME (Multipurpose Internet Mail Extensions)

    Introduction to MIME MIME (Multipurpose Internet Mail Extensions) is a standard which was proposed by Bell Communications in 1991 in order to expand upon the limited capabilities of email, and in particular to allow documents (such as ... Read more

    Email
    October 16, 2008 at 09:43 AM
  • ISO 9000, ISO 9001 and ISO 9004

    Introduction to ISO Certification Certification is a way to attest, by the intermediary of a third-party certifier, to a company's ability to provide a service, product or system in accordance with client requirements and regulation ... Read more

    Quality
    October 16, 2008 at 09:43 AM
  • The Windows User Interface

    The Taskbar The Windows 9x user interface (9x refers to Windows 95 and Windows 98 together) is characterised by a bar at the bottom of your screen (it may be moved to another edge by left-mouse-clicking on it and dragging it to the desired ... Read more

    Windows
    October 16, 2008 at 09:43 AM
  • Positioning elements in CSS

    Using style sheets along with the and tags, you can specify the location of text or images down to the pixel. This is possible with versions 4 and higher of Netscape and Internet Explorer; however, the technique is still problematic and ... Read more

    CSS
    October 16, 2008 at 09:43 AM
  • Types of computers

    Types of computers There are several families of computers, depending on their format: Mainframes, computers which a great deal of computing power, enormous input-output capabilities and high level of reliability. Mainframes are used by ... Read more

    Computer
    November 1, 2012 at 04:13 PM
  • Spreadsheets - Data Entry

    Cell Content A cell of a worksheet can contain a value or be empty. The value of a cell has two essential characteristics: a type, which means the intrinsic type of the data. There are generally three types of values: numeric values, for ... Read more

    Spreadsheet
    October 16, 2008 at 09:43 AM
  • MKV format (Matroska Video)

    MKV format The MKV format (Matroska Video) is an entirely free video format. More precisely, it is a container (hence the name Matroska, in reference to the Russian dolls contained within another) making it possible to contain video (DivX, ... Read more

    Video
    October 16, 2008 at 09:43 AM
  • Information systems governance (IT Governance)

    The Concept of Governance The term "Governance" specifies the ability of an organization to be able to control and regulate its own operation so as to avoid conflicts of interest related to the division between beneficiaries (shareholders) ... Read more

    Information System
    October 16, 2008 at 09:43 AM
  • Operating system

    Description of the operating system Roles of the operating system Components of the operating system Multi-threaded systems Multi-processor systems Embedded systems Real time systems Types of operating system Description of the operating ... Read more

    Operating System
    November 11, 2012 at 06:40 PM
  • msconfig - msconfig.exe

    msconfig - msconfig.exe msconfig.exe (msconfig) is a standard process in Windows XP (and earlier versions of Windows) for editing the startup configuration. MsConfig is mainly used for removing processes loaded when Windows is booted. How ... Read more

    Windows processes
    October 16, 2008 at 09:43 AM
  • Using Telnet

    Introduction to Telnet Protocols and implementation Running Telnet Commands in Telnet Introduction to Telnet Telnet is a protocol for emulating a remote terminal, which means that it can be used to run commands entered on a keyboard at a ... Read more

    Internet Utilities
    November 12, 2012 at 12:39 PM
  • TCP session hijacking

    TCP session hijacking "TCP session hijacking" is a technique that involves intercepting a TCP session initiated between two machines in order to hijack it. In that the authentication check is performed only when opening the session, a ... Read more

    Attacks
    October 16, 2008 at 09:43 AM
  • MS DOS Files and directories

    Files in MS DOS In a computers data is stored in files. When you run a program, MS-DOS processes the data stored in the file and passes it to the system. In MS-DOS a file can be any size, however the file name is more restricted, it can ... Read more

    MS Dos
    October 16, 2008 at 09:43 AM
  • Hard drive

    The role of the hard drive Structure How it works Block mode 32-bit mode Technical specifications The role of the hard drive The hard drive is the component which is used to permanently store data, as opposed to RAM, which is erased ... Read more

    Computer
    November 7, 2012 at 09:23 AM