IT L2

• • SOFTWARE Intangible component of computer (already created) RAW
• • PROGRAM Step by step instructions created by programmers.  It is composed of different codes (depends on class of output) CREATED
• • PROGRAMMERS Persons creating the program or software
• • PROGRAMMING LANGUAGES Languages that programmers use in creating a program or software
• • SYSTEM SOFTWARE Serves as the commander of the computer. Incharge of commanding and directing.
• • OPERATING SYSTEM Most important program/software. It serves as the link between the hardware and application software. Without the operating system, you cannot install any application software. 
• • SYSTEM UTILITIES Software that can be enhanced or improves the operation of the computer. It assists the user by improving his/her productivity
• • APPLICATION SOFTWARE Software used for specific purpose

  Ex: Word, Powerpoint, Canva, Excel
• ICONS OF COMMAND: Menu bars, tool bars (where user manipulates the computer)
• • GRAPHICAL USER INTERFACE (GUI) You are using the icons of command
• • MICROSOFT WINDOWS (WINDOWS) Owned by Bill Gates
• • MACINTOSH (MACOS) Operating system of Apple (exclusive only to apple) Steve Jobs
• • LINUX Graphical Interface (early 1990) from UNIX
• • UNIX Oldest operating systems (has graphical and command line
• • USER INTERFACE Manner on how we interact with the computer
• • GRAPHICAL USER INTERFACE (GUI)  Interact by clicking the commands. Displays rectangular/graphical icons (tiny pictures) that represent various comments.
• • COMMAND LINE USER INTERFACE (CLU) Interacting the computer by typing the command. It requires a user to have a good memory of commands to perform an operation.
• • ICONS Symbols that represent tools/menu bars.