Computer Science. Questions and answers. Rated A+

Computer Science. Questions and answers. Rated A+ Document Content and Description Below Central Processing Unit (CPU) - "Brain" of the computer that performs instructions defined by software Software - Set of instructions that tells the hardware what to do. It is what guide s the hardware and tells it how to accomplish each task. Operating System (OS) - Software used to control the computer and its peripheral equipment. Input Device - device used to insert data into a computer or other device (ex: keyboard, mouse, microphone, scanner, voice recognition) Output Device - device that projects images, gives sound, and basically gives out the info from the computer so the user can obtain it (ex: monitor, printer, projector, speakers) Binary Code - Groupings of 1's and 0's that makes information that a computer can understand. Hardware - Physical elements of a computing systems (printer, circuit boards, wires, keyboard, etc) Machine Language - Programs written in binary code High-level language - easier for humans to understand Interpreter - translates source code into machine code one line at a timeBinary Number System - Base2 Decimal Number System - Base10 Octal Number System - Base8 Hexadecimal Number System - Base16 Convert Binary to Decimal - Use positional notation Convert Decimal to Binary - Divide by 2, use remainders Convert Binary to Octal - Group binary number into 3s, use table Convert Binary to Hexadecimal - Group binary number into 4s, use table Show