Understanding Software and Operating Systems, Exams of Computer Science

A comprehensive overview of software and operating systems, covering key concepts such as system software, application software, user interface, memory management, processor management, task management, peripheral management, storage device management, disk and file management, application management, security management, and utilities. It delves into the various types of utility software, including security utilities, anti-virus software, spyware protection, firewalls, disk defragmenters, file management tools, automatic update features, backup utilities, and compression utilities. The document serves as a valuable resource for understanding the fundamental components and functionalities of software and operating systems, which are essential knowledge for students pursuing computer science or related fields.

Typology: Exams

2023/2024

Available from 08/19/2024

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AQA GCSE Computer Science : Software
Sotwarecorrect answerAny program that runs on a computer
System Softwarecorrect answerSoftware responsible for the general operation of a computer system,
including the operation of hardware, running application software, and file management. Examples are
Windows, Linux, Android
Application Softwarecorrect answerComputer software created to allow the user to perform a specific
job or task. Examples are : Word processors, spreadsheets, web browsers, games.
DON'T use brand names in an exam.
User Interfacecorrect answerThe means by which the user and a computer system interact.
Memory managementcorrect answerThe OS manages the flow of programs and data into and out of
memory.
Processor managementcorrect answerThe OS manages how the programs share the processor time.
Task managercorrect answerLists all the programs being used and indicates their status
Peripheral managementcorrect answerThe OS communicates with all devices attached to the CPU,
controlling inputs and outputs.
Storage device managementcorrect answerThe OS copies files from disk to main memory and back from
main memory to disk.
Disk and file managementcorrect answerThe OS manages where files are written to on secondary
storage device.
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AQA GCSE Computer Science : Software

Sotwarecorrect answerAny program that runs on a computer System Softwarecorrect answerSoftware responsible for the general operation of a computer system, including the operation of hardware, running application software, and file management. Examples are Windows, Linux, Android Application Softwarecorrect answerComputer software created to allow the user to perform a specific job or task. Examples are : Word processors, spreadsheets, web browsers, games. DON'T use brand names in an exam. User Interfacecorrect answerThe means by which the user and a computer system interact. Memory managementcorrect answerThe OS manages the flow of programs and data into and out of memory. Processor managementcorrect answerThe OS manages how the programs share the processor time. Task managercorrect answerLists all the programs being used and indicates their status Peripheral managementcorrect answerThe OS communicates with all devices attached to the CPU, controlling inputs and outputs. Storage device managementcorrect answerThe OS copies files from disk to main memory and back from main memory to disk. Disk and file managementcorrect answerThe OS manages where files are written to on secondary storage device.

Application managementcorrect answerOS installs applications which cannot run without OS. Security managementcorrect answerOS organised user logins and passwords. Files / folders may be password protected. Sets access rights. Utilitiescorrect answerUtility software provides extra functionality. Security / file organisation / system maintenance. Security utilitiescorrect answerAnt-virus / spyware / firewall / backup and recovery Anti-virus softwarecorrect answerPrevents viruses being installed. Prevents system files being changed / deleted. Detects and removes viruses. Must be updated regularly. Spyware protectioncorrect answerDetects spyware software. Prevents them being installed. Firewallcorrect answerPrevents unauthorised access to a computer or network from the internet. Can prevent access to unsuitable sites. Disk defragmentercorrect answerReorganises files on a had disk so they are together. Reduces time to load files. Frees-up space. File managementcorrect answerMove, copy, delete folders and files. Repair corrupted files. Automatic updatecorrect answerUpdates software to latest version. Fixes bugs and patches software vulnerable to hacking.