algorithm and flowchart computer science

algorithm and flowchart computer science

• 2.
  What Is anAlgorithm? An algorithm is a well-defined procedure that allows a computer to solve a problem. Another way to describe an algorithm is a sequence of unambiguous instructions. An algorithm is a formula or set of steps for solving a particular problem
• 3.
  What Is aflowchart? A flowchart is simply a graphical representation of steps.  It shows steps in sequential order and is widely used in presenting the flow of algorithms, workflow or processes. Typically, a flowchart shows the steps as boxes of various kinds, and their order by connecting them with arrows.
• 4.
  NAME OF THE FLOWCHARTSYMBOLS FLOWCHART SYMBOLS PURPOSE OF THE FLOWCHART SYMBOLS TERMINATOR Denotes the beginning/end of a program FLOWLINE Denotes the logical flow of a program DATA Denotes an input / output operation PROCESS Denotes a process to be carried out. DECISION Denotes a decision and how the program should continue or proceed. CONNECTOR Used when the flowchart extends beyond a page.
• 5.
  What is acomputer program? A computer program is a collection of instructions that can be executed by a computer to perform a specific task.  A computer program is usually written by a computer programmer using some programming language.
• 6.
  What are Conditions? Conditionsare statements that are created by the programmer which evaluates actions in the program and evaluates if it's true or false.
• 7.
  What are GUIand CUI? An operating system can be classified as GUI and CUI based on the user interface. (i) GUI- Graphical user interface (ii) CUI-Character user interface
• 8.
  S. No. KeyGUI CUI 1 Interaction User interacts with computer using Graphics like images, icons. User interacts with computer using commands like text. 2 Navigation Navigation is easy. Navigation is difficult. 3 Peripherals used Keyboard, mouse or any other pointing device. Only keyboard. 4 Precision GUI has low precision. CUI has high precision. 5 Speed GUI is of low speed. CUI is of high speed. 6 Usage Usage is easy. Usage is difficult, requires expertise. 7 Memory requirement High memory requirement. Low memory requirement. 8 Flexibility Highly flexible user interface. Little flexible user interface. 9 Customize GUI is highly customizable. CUI appearance is not easily changeable. 10 Examples Windows DOS, UNIX
• 10.
  THANK YOU DEAR CHILDREN