IT 104 Lecture Notes - Lecture 3: Operating System Embedded, Embedded System, Machine Code

• School: George Mason University
• Department: Information Technology
• Course: IT 104
• Professor: Sarfazar

Document Summary

Programs: tell a set of instructions that tells the computer what to do. Writing a series of instructions that instructs the computer to perform a particular process. We generally write a computer program using a high-level language. A high-level language is one which is understandable by humans. it contains words and. A program written in a high-level language is called a source code. A computer does not understand high-level language. it only understands written in 1s. We need to convert source code into machine code. A compiler or an interpreter is a program that converts program written in high-level and 0s called the machine code phrases from the language. language to machine code. Programs requiring access to files on the disk drive communicate with the file system. File system communicates to storage device through device drivers. Data: hardware processes as per the instructions given in a computer program. Computer programming: is used to write software.