Operating Systems Lecture Review

These flashcards cover key concepts and definitions related to operating systems as discussed in the lecture notes.

An __ is a program that acts as an interface between the user and the computer hardware.

Operating system

The main purpose of an operating system is to control the execution of __ programs.

application

Memory management refers to management of __ memory.

Primary or Main

Virtual Memory uses hardware and software to allow a computer to compensate for physical memory __.

shortages

The __ of a process is represented by all the information the CPU needs to execute it.

execution context

A __ is an executable program with associated data and execution context.

process

In a multiprogramming environment, the OS performs __ scheduling to allocate CPU time to processes.

process

The process state __ indicates a process that is unable to run until an external event occurs.

Blocked

The __ program is responsible for loading the operating system during the boot process.

bootstrapping

An operating system manages device communication via their respective __.

drivers

The __ provides users with a graphical user interface consisting of windows, icons, and menus.

GUI

The __ is responsible for keeping track of information such as process status and allocated resources.

Process Control Block (PCB)

In the event of an __, the CPU must stop its current activities to execute the appropriate part of the OS.

interrupt

Real-time operating systems are often used for applications that require immediate responses to __ events.

external

The __ allows users to interact with the computer using text commands.

CLI (Command Line Interface)

A __ operating system consists of several processors that share a common physical memory.

Multiprocessor