Operating systems

​Software categories

Operating systems

Types of OS​

Unit. Computer systems

Learning objectives

11.3.1.2  classify application software

11.3.1.1 justify the choice of software and selection criteria for specific purposes

​11.3.1.3 describe the purpose and basic functions of operating systems

11.3.1.4 compare single-user and multi-user operating systems

11.3.1.5 compare single-tasking and multitasking operating systems

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Subject | Subject

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Q. State three functions of the operating system

Answer

• Memory management

• Peripheral management

• User management/Security

• File management

• User interface

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Open Ended

Explain the purpose of drivers in an operating system

Q. Explain the purpose of drivers in an operating system

​Answer

Every piece of hardware needs a driver (1 mark)

....in order to communicate with the computer’s software (1 mark)

Each combination of device/operating system requires a different driver (1 mark)

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Open Ended

Describe the types of user access rights allowed by operating systems

Q. Describe the types of user access rights allowed by operating systems

• 'Read' access. This allows users to view and open files/folders, but not change them.

• 'Write' access. This allows users to modify or delete files/folders.

• 'Execute' access. This allows users to run executable applications.

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Open Ended

Explain what is meant by a ‘multitasking operating system’

Q. Explain what is meant by a ‘multitasking operating system’

A multitasking operating system allows more than one program to run at the same time. Or at least it looks like they are all running together as far as the user is concerned. What it is actually doing is swapping processes in and out of the CPU core very fast. Examples include Windows, Linux and Android

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Open Ended

Outline the common types of user interface provided by an operating system

Q. Outline the common types of user interface provided by an operating system

• Command line interfaces allow the user to interact directly with the computer system by typing in commands/instructions

• Graphical user interfaces allow people to interact with the computer by using a mouse or touch screen to click on graphics and icons they see on screen ​

• Menu interfaces give users a list of possible actions that the system can carry out

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Open Ended

State what is meant by the term 'memory management' (1 mark)

Q. State what is meant by the term 'memory management'

Memory management by the operating system is the process of handling how memory is used by various applications. It includes assiging memory to applications that need it and to free up memory once it is no longer needed

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Multiple Choice

Software is a series of ____________ that tells a computer what tasks to perform and how to perform them.

• data
• information
• instruction
• utility

Multiple Choice

Allocating time on the processor to individual processes is known as...

• CPU Scheduling
• CPU Timing
• CPU Clocking
• CPU Sorting

Multiple Choice

Which of these is not a function of an operating system

• Provide a user interface

• Manage peripherals

• Manage memory

• Time management

Multiple Choice

________________programs that control or maintain the operations of the computer and its devices.

• Software
• System Software
• Application software
• Utility program

Multiple Choice

_________________are programs that designed to help users to be more productive with their personal tasks.

• Software
• System Software
• Application software
• Utility program

Multiple Choice

Function of system software is to serve as the _________ between the user, the application software, and the computer’s hardware

• interface
• program
• application
• server

Multiple Choice

Which of the following is not a resource managed by the OS?

• Bandwidth
• Secondary Storage
• RAM
• Programs

Multiple Choice

____________a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources

• Operating system
• System Software
• Application software
• Utility program

Multiple Choice

The OS provides a platform that enables what to be run?

• Applications
• Hardware
• Cache
• Processes

Multiple Choice

________ is an embedded operating system resides on a ROM chip on a mobile device or consumer electronic device.

• Stand-alone OS
• Server OS
• Mobile OS
• Free OS

Multiple Choice

The picture shows a type of user interface as a function of operating system

• Command Line
• Graphical user interface

Multiple Choice

The picture shows a type of user interface as a function of operating system

• Command line
• Graphical user interface

Multiple Choice

Which of these is an advantage to using a command-line interface over a GUI?

• More interactive

• Easier to use

• Less resource heavy

Multiple Choice

________________programs that control or maintain the operations of the computer and its devices.

• Software
• System Software
• Application software
• Utility program

Multiple Choice

What is defragmentation?

• Rearranging files to occupy contiguous space.
• Speeding up processing.
• Rearranging the RAM.
• Rearranging processes queued for processing.

Multiple Choice

Function of system software is to serve as the _________ between the user, the application software, and the computer’s hardware

• interface
• program
• application
• server

Multiple Choice

What type of operating system is Windows 10?

• Single-user OS

• Multi-user OS

Multiple Choice

_____________is a type of system software allows that allow a user to perform  maintenance-type tasks

• Operating system
• System Software
• Application software
• Utility program

Multiple Choice

The OS provides a platform that enables what to be run?

• Applications
• Hardware
• Cache
• Processes

Multiple Choice

What happens when RAM is full?

• The computer crashes
• Virtual Memory is used
• An interrupt is raised
• The computer explodes

Multiple Choice

A(n) ______________________ is the most important software that runs on a computer.

• Operating System
• Windows
• Anti Virus
• iOS

Multiple Choice

The following is not a function of an operating system:

• Checking for viruses
• Directing information from peripheral devices like a mouse or a printer
• Allowing users to open applications
• Allocating the computer's memory between different tasks.

Multiple Choice

Which of the following is the most recent version of Windows?

• Windows 8
• Windows 7
• Windows 10

Multiple Choice

Icons, menus and windows are part of:

• Graphical user interface
• System security
• Applications and user files
• Graphics or games packages

Multiple Choice

What is the purpose of an operating system?

• Manage software on computer
• Manage hardware on computer
• Manage all hardware & software on computer

Multiple Choice

The following is not a part of GUI:

• command prompt
• scroll bar
• text box
• radio button

Multiple Choice

Which of the following operating systems can you freely modify if you choose?

• OS X
• iOS
• BlackBerry
• Linux

Multiple Choice

Only personal computers need operating systems, not mobile phones or robots.

• False
• True

Multiple Choice

Keeping track of the location of processes in memory and allocating space to new processes is known as...

• Memory Management
• Process Management
• Memory Scheduling
• Process Scheduling

Multiple Choice

Operating system is a set of programs that connects and manages software with ________

• System

• User

• Hardware

• Application

Multiple Choice

Which of these devices can have an MULTI-TASKING operating system?

• Laptop

• Microwave oven

• Simple mobile phone

• Playstation 4

Multiple Choice

Which of these devices can have an REAL TIME operating system?

• Server

• Gaming console

• ATM

• Tesla car

Multiple Choice

Which of these devices can have an BATCH operating system?

• Server

• Gaming console

• ATM

• Tesla car

Multiple Select

which of these are the parts of an operating system?

• kernel

• GUI

• device drivers

Multiple Select

what are the purposes of an operating system?

• to manage applications

• to run the computers hardware

• to take over the world

• to protect you from viruses

Multiple Choice

Why is it important to keep the operating system up to date?

• To impress your friends

• To avoid buying a new one

• To protect your computer form malware

• Because it's the law

Multiple Choice

Smart phones don't need operating systems, only computers do.

• True

• False

Multiple Select

What are the two main functions of an operating system?

• Booting up the system when the computer is first switched on

• Opening the internet

• Protecting the computer from hackers

• Managing memory during multi-tasking

Multiple Choice

One of the capabilities of operating systems: Two or more users have individual accounts that allow them to work with programs and peripheral devices at the same time.

• Multi-user
• multiprocessing 
• multitasking
• multithreading

Multiple Choice

One of the capabilities of operating systems: The computer is capable of operating multiple applications at the same time.

• multi-user
• multitasking
• multiprocessing
• multi-threading

Multiple Choice

One of the capabilities of operating systems: The operating system can support two or more CPUs.

• multi-user
• multitasking
• multiprocessing
• multi-threading

Multiple Choice

One of the capabilities of operating systems: A program can be broken into smaller parts that are loaded as needed by the operating system. This feature allows different parts of a program to be run at the same time.

• multi-tasking
• multi-threading
• multiprocessing
• multi-user

Multiple Choice

A user interface made up of a command prompt is called: 

• Graphical User Interface
• Super User Interface
• Command Line Interface
• Command User Interface

Multiple Choice

The operating system is held.....

• in permanent storage and loaded into RAM when the computer is booted up
• in the loader program
• in the boot up program

Multiple Choice

What is multiprocessing?

• The computer has more than one core processor
• where tasks are done apparently at the same time
• Where more than one computer is used to carry out instructions

Multiple Choice

What does BIOS stand for?

• Bonus Input/Output System
• Basic Interface Output System
• Basic Input/Output System
• Basic Input/Outsource Shape

Multiple Choice

Where is BIOS stored?

• On the RAM
• On the Motherboard ROM
• On the GPU
• in the CPU

Multiple Choice

A computer uses ________ to organize all of the different files and applications that it contains.

• Folder
• Icons
• Trash Can
• Applications

Multiple Choice

Which utility organizes files efficiently on the hard drive?

• Uninstaller
• Disk defragmenter
• Backup Utility
• File Manager

Multiple Choice

Which utility protects against viruses?

• Antivirus
• Restore Utility
• Search Utility
• File Compression

Multiple Choice

Which of the following is the process of starting or restarting a computer or mobile device?

• Booting
• Lauching 
• Loading
• Keying

Multiple Choice

By combining the words 'malicious' and 'software' we get the word 'malware'. What does malicious mean?

• Malicious means delicious.
• Malicious means Mali Juice.
• Malicious means harmful.
• None of these

Multiple Choice

Malware is made to stop your device from running properly and sometimes to steal your information.

• True
• False

Multiple Choice

Which is NOT a type of malware?

• Virus
• Worm
• Trojan horse
• Sandwich

Multiple Choice

Malware will slow down your internet connection.

• True
• False

Multiple Choice

What is a virus?

• blocking access until money is paid
• A piece of code that can copy itself and attack a computer
• Sends information covertly 
• when someone steals your computer

Multiple Choice

What is the most common way people's computers get infected by a virus?

• Receive a call
• Install a new hardware
• Download email attachments
• None of these

Multiple Choice

•may open a “back door” into your computer system through which your personal information can be harvested.

•It can also use your computer power and network bandwidth to send thousands of spam emails to others.

• Virus

• Trojan Horse

• WAN

• Worm

Multiple Choice

Which cannot self replicate?

• Virus

• Trojan Horse

• Worm

Multiple Choice

•A ******* is a type of malware

•It is a standalone program that does need to attach itself to an existing program in order to spread

• Virus

• Trojan Horse

• WAN

• Worm

Multiple Choice

attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources.

• DDos

• Virus

• Service Hacker

• Trojan Horse

Multiple Choice

What is a D.O.S

• Denial of service

• Delay of service

• Downing of service

• Destruction of service

Multiple Choice

A system designed to prevent unauthorized access to or from a private network

• Adware
• Firewall
• Antiviruis
• Spyware