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15.  Formulas: It is an expression which helps to perform arithmetical calculation and also executes non-
                      arithmetical tasks.

                  16.  Handouts: These are the thumbnails of all the slides printed together.


                  17.  Impact printer: Impact printer prints the contents by striking the printer head or needle on an ink
                      ribbon which rolls through the cartridge to make a mark on the paper.

                  18.  Indent: It is the space (gap) of text (a line or paragraph) from the edge/margin of the page.

                  19.  Kernel: It is the core part of an OS, that does all the major activities (such as memory allocation, CPU

                      time, scheduling, etc.) for the operating system.

                  20.   Light Pen: A ‘Light Pen’ is a pen like device which uses a light sensitive detector to select or draw

                      objects on the display screen.

                  21.  Magnetic Disks: Magnetic Disks are storage devices that are made up of magnetic coated material.

                  22.  Malware: It refers to infectious programs that hamper the functioning of a computer system. Some

                      common types of malware are virus, worms, Trojan horse, spyware, etc.

                  23.  Navigation: It is a feature in Calc, by which cursor can be placed anywhere in a sheet directly.

                  24.  Non-Impact printer: Non-Impact printer prints the output without touching or striking the ribbon
                      on paper or on the film.


                  25.  Scanner: A scanner is a device that scans a document by sensing the reflection that is received when
                      the scanner emits rays on the content.

                  26.  SMPS  (Switched-Mode  Power Supply): SMPS is an  electric  regulator  component  that  receives

                      electricity from the main power supply and then supplies appropriate power to the other components
                      of the computer.


                  27.   Sorting: It refers to the process of arranging data in ascending or descending order based on a
                      certain criteria.

                  28.  Table: It is a grid of boxes formed by horizontally aligned rows and vertically aligned columns that

                      help to organize data.

                  29.  Watermark: It is a faded image of a design that is printed as a background that can be seen when

                      held against light. In slides, it appears as a shadow.

                  30.   Worksheet: It is the working area or page on the screen. A workbook is like a book and the worksheet
                      is like a page of a book.







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