AspectSystem SoftwareApplication Software
DefinitionSoftware that manages and controls computer hardware.Software that helps users perform specific tasks or applications.
PurposeSupports the operation of the computer.Solves user-specific problems or performs desired tasks.
FocusEfficiency and resource management of the system.Functionality for end-users.
ExamplesOperating systems, Compilers, Interpreters, Loaders, Device DriversMS Word, Photoshop, Excel, Tally, Web browsers
User InteractionWorks mostly in the background; minimal direct interaction.User-centric; interacts directly with the user.
Machine DependencyMachine-dependent.Generally machine-independent.
PortabilityPortable through bootstrapping.Portable through cross-compilers.
Developer Skill NeededRequires low-level programming knowledge (e.g., system architecture).Requires knowledge of high-level programming languages.