Points to Remember

  • A computer is a data processing machine having two main parts: Hardware and Software.
  • Hardware comprises of the physical units of a computer system while software is a set of programs.
  • Hardware and software together make a computer system functional.
  • Data are raw facts and figures.
  • An operating system is an interface between the user and the computer hardware and it manages computer resources.
  • An operating system performs different functions and is responsible for process management, file management, etc.
  • There are many kind of operating system. Some popular names are:- DOS, UNIX, Windows, Linux, Mac OS, etc.
  • The Windows Explorer program is more efficient for viewing folders in Windows.
  • Windows Explorer is divided vertically into two parts of two panes. The left side pane displays disk drives and folders in a hierarchical order.while the right pane displays the content of the folder / drive that is selected on left side pane.
  • The process of linking text values in a series within a formula is called ‘concatenation’.
  • A computer is a data processing machine.Data processing involves some activities like data capturing, data manipulation and information management.
  • Collection of interrelated data is called a database.
  • Computers are very useful for maintaining databases.
  • A relational database is a collection of data items arranged as a set of formally described tables from which data can be accessed or reassembled in many different ways without having reorganize the database tables.
  • MS Access is a powerful program to create and manage our databases.
  • Collection of data about a specific topic is called a table.
  • A form is a graphical representation of a table.
  • A report is a Presentation of data in a printed form.
  • We can create mailing labels for your database using MS Access.
  • Internet is the network of computer networks with million of computers attached to it.
  • Website are files in servers, which are powerful computers.
  • Website contain pages to be known as Web Pages.
  • The collection of all websites is known as World Wide Web (WWW).
  • Ted Nelson, in 1960s, first coined the term ‘Hyper Text’
  • Html is a markup language.
  • HTML is used to create Web Pages. It uses commands to be known as Tags.
  • To compose HTML documents, text editors are used. HTML documents are viewed in Web browser.
  • The tools are grouped by type in the Photoshop toolbox.
  • Some of the tool icons have a tiny black triangle in the lower-right corner of their icons. This means that there are more tools of the same general kind available on a pop up-menu.