1.1 & 1.2: Programs, applications, and operating systems GapFill

A program is a set of  devicesinstructionsbuseshouses, that tells a computer how to perform a specific  processornetworkdownloadtask, written in a programming language and executed by the  mouseCPUmonitornetwork. 

An application, also known as application  routerschatbitsoftware, is a complete software  switchroutercohortpackage that performs a specific activity directly for  power managementinterruptsan end usera device driver, often consisting of multiple  kernelsprogramsengineersIDEs working together.

Operating systems are used by many types of devices but are not used by devices like  games consolesmobile phonesremote controlspersonal computers. In addition to the functionality of a stand-alone operating system (OS), a network OS has extra facilities to handle  multitaskingnetwork trafficfile handlingmemory management. A network OS is generally used in network hardware like  memory cardsSIM cardsroutersRFIC chips.

With proprietary OS the source code is  available tohidden fromdeveloped byshared with the public. However, with open-source operating systems, the source code is  licensed byhidden fromviewable byowned by the public and anyone can  owncopyrightpatentchange it.