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CC-2224 Computer Science Paper 1 > Systems Software > Flashcards

Systems Software Flashcards

1
Q

What is an operating system

A

An operating system (OS) is software that provides an interface between the user and the hardware in a computer system

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2
Q

What are the main functions of an OS

A

Provide a user interface
Memory management & multitasking
Peripheral management & device drivers
User management
File management

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3
Q

What is a user interface

A

A user interface is how the user interacts with the operating system

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4
Q

What is a command line interface

A

A Command Line Interface (CLI) requires users to interact with the operating system using text based commands

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5
Q

What is a graphical user interface

A

A Graphical User Interface (GUI) requires users to interact with the operating system using visual elements such as windows, icons, menus & pointers (WIMP)

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6
Q

What is a menu interface

A

A menu interface is successive menus presented to a user with a single option at each stage

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7
Q

What is a natural language interface

A

A natural language interface (NLI) uses the spoken word to respond to spoken or textual inputs from a user

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8
Q

What is memory management

A

carried out by the operating system allocating main memory (RAM) between different programs that are open at the same time

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9
Q

What is peripheral management

A

Peripheral management is a process carried out by the operating system managing the way peripherals (hardware) interact with software

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10
Q

What is a device driver

A

A device driver is a piece of software used to control a piece of hardware

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11
Q

What is user management

A

User management is a process carried out by the operating system enabling different users to log onto a computer

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12
Q

What is file management

A

File management is a process carried out by the operating system creating, organising, manipulating and accessing files and folders on a computer system

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13
Q

What is utility software

A

Utility software is software designed to help maintain, enhance and troubleshoot/repair a computer system

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14
Q

What is Defragmentation

A

Defragmentation software groups fragmented files back together in order to improve access speed

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15
Q

What is Compression

A

reduces the amount of secondary storage required by performing an algorithm on the original data by using lossless of lossy compression

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16
Q

What is Encryption

A

Encryption is the process of scrambling data using an algorithm from plain-text into cipher-text in order to make it unreadable to users without the master key

17
Q

What is Task manager

A

Task manager is software that is built into the operating system to allow users to monitor system resources in order to help troubleshoot potential problems

18
Q
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19
Q
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CC-2224 Computer Science Paper 1 (6 decks)

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