Programming

• Variables are used to store and manipulate data in a program.
• Computer system is the combination of components required to process and store data using computer
• Hardware is the equipment associated with the computer
• Software is the computer instructions that tells what the hardware should do
• Program is the instructions written by programmers
• Programming is writing the instructions
• Used to write computer instructions is called program code
• Writing instructions is called coding the program
• Rules governing word usage and punctuation is called Syntax
• Computer’s temporary, internal storage is RAM (random access memory)
• Volatile memory – lost when the power is off
• Errors in program logic produce incorrect output
• Variable– Named memory location whose value can vary
• Documentation– All supporting paperwork for a program
• An algorithm is the sequence of steps or rules you follow to solve a problem