COP4600 |239 midterm review Questions with 100% Correct Answers | Updated & Verified

algorithm - ️️set of instructions with finite initial store and state, a starting point, and unambiguous ordering until the endpoint (halt point). Can be represented by a flow chart or a pseudocode. program - ️️sequence of instructions that embody and algo process - ️️program in execution + process state job - ️️task to be completed why do we need an OS - ️️ex. load a program onto a computer provides a layer of safety helps accessing I/O devices where is the OS in a personal computer system - ️️layer of software between the hardware and UI program OS's job as resource manager is inclusive of? - ️️1. Process Manager:The OS switches between them continuously, giving the user the illusion that those programs are executing at the same time 2.Memory Manager:the OS decides what is the best use of the memory space available 3. I/O device Manager:It communicates to output devices such as disks, printers, and displays, and manages input