What is the term 'operating system' referred to as?

A collection of programs that work together to provide an interface between the user and computer

A single program that manages computer resources

A type of utility software for disk management

A security feature like a firewall

Which of the following is NOT a feature of operating systems?

Network connectivity management

What is the purpose of paging in memory management?

To split memory into equal-sized sections known as pages for efficient allocation

To increase the size of the main memory

To decrease the processing time for each task

To prevent swapping between main memory and the hard disk

What is the role of the operating system in terms of processor time allocation?

To determine and allocate the length of processor time each task receives

To ensure each task receives unlimited processor time

To allocate processor time based on the size of the program

To restrict processor time to only essential tasks

What is segmentation in the context of memory management?

Dividing memory into sections that are not necessarily equal in size

Dividing memory into blocks based on the frequency of use

Dividing memory into fixed-size pages

Combining multiple small memory sections into a single large section

What is segmentation in the context of memory management?

The splitting up of memory into logical sized divisions known as segments

The process of combining memory into a single large block

The method of encrypting data stored in memory

The technique of permanently deleting sections of memory

What is the purpose of virtual memory?

To act as RAM when the space in main memory is insufficient

To store permanent data for quick access

To increase the physical memory of the computer

To reduce the speed of the computer for better thermal management

What is disk thrashing?

The occurrence when pages are swapped too frequently between the hard disk and main memory

The process of cleaning the hard disk to free up space

The act of defragmenting the hard disk to improve performance

The method of compressing files on the hard disk to save space

What are interrupts in a computer system?

Signals generated by software or hardware to indicate the processor that urgent attention is needed

Signals to shut down the computer

Notifications for the user to take action

Error messages displayed on the screen

Where are interrupts stored in a computer system?

In a priority queue within an abstract data structure called an interrupt register

What happens when an interrupt of a higher priority exists during a process execution?

The current contents of the special purpose registers in the CPU are temporarily transferred into a stack

The process is immediately terminated

The process continues without any changes

The interrupt is ignored until the process is completed

What is the role of the Interrupt Service Routine (ISR)?

To load the appropriate interrupt service routine into RAM when an interrupt occurs

To increase the priority of the current process

To transfer data from RAM to the CPU

To execute the main program without interruptions

What happens once the interrupt has been serviced in a computer system?

The interrupt queue is checked again for further interrupts of a higher priority.

The interrupt flag remains set.

What is the Fetch-Decode-Execute cycle resumed as before?

After the contents of the stack are transferred back into the registers in memory.

After all interrupts of a lower priority are serviced.

Before the interrupt is serviced.

Once the interrupt queue is empty.

Which of the following is a core function of the operating system related to processing time?

Ensuring all sections of programs being run receive a fair amount of processing time.

Prioritizing the most important programs only.

Running all programs simultaneously without scheduling.

Allocating processing time based on program size.

What is a characteristic of non-pre-emptive scheduling algorithms?

Once a job is started, it is left alone until it is completed.

Jobs are actively made to start and stop by the operating system.

Jobs are given a time slice and must complete within that time.

Jobs are prioritized based on their length.

What is a disadvantage of the Round Robin scheduling algorithm?

Longer jobs may take a much longer time for completion.

It prioritizes jobs based on complexity.

It completes all jobs in a single cycle.

It allocates more time to shorter jobs.

What is the main disadvantage of the First Come First Served (FCFS) scheduling method?

It does not allocate processor time based on priority.

It is suited only for batch systems.

It leads to processor starvation.

What is a potential risk associated with the Shortest job first and Shortest remaining time scheduling methods?

Processor starvation for longer jobs

Jobs are processed in chronological order

What is the main characteristic of a distributed operating system?

It is run across multiple devices, spreading the load across multiple computer processors.

It is built to perform a small range of specific tasks.

It consumes significantly less power than other types of operating systems.

It is hard to update and limited in functionality.

What is the purpose of the BIOS in a computer system?

To perform key tests before the operating system is loaded

To run the main operating system

What does POST stand for in the context of BIOS?

Processor Operational Self Test

What are device drivers?

Computer programs provided by the operating system to interact with hardware

Programs that prevent the operating system from interacting with hardware

Hardware components that allow communication between devices

Software that prevents hardware from communicating with the operating system

Why are device drivers specific to the computer's architecture?

Because they must be tailored for different device types and operating systems

Because they need to be compatible with the device's screen size

Because they are interchangeable with any operating system

Because they are universal and not specific to any architecture

What is a virtual machine?

A theoretical computer that is a software implementation of a computer system

A physical computer that runs multiple operating systems

A type of computer virus that simulates a computer system

A hardware device that translates intermediate code to machine code

What is intermediate code?

Code that is halfway between machine code and object code

Code that is used exclusively for high-level programming languages

Code that can only run on the processor it was designed for

Code that translates high-level language into machine code

What is one advantage of using virtual machines for development environments?

They save both time and money by not needing multiple devices for testing

They run intermediate code faster than low-level code on the designed device

They require the purchase of multiple devices for testing

They are less specific to the operating system installed on the device

What is a downside of running intermediate code in a virtual machine?

It is considerably slower compared to running low-level code on the device it was designed for

It is faster compared to running low-level code on the device it was designed for

It cannot be used across different machines and operating systems

It requires a translator for high-level code instead of intermediate code

What is one of the uses of virtual machines in terms of protection?

Protection from physical damage

How do virtual machines help when running incompatible software?

They save time and money by running different operating systems or versions within a VM

They eliminate the need for an operating system

They allow running software without installation

They increase the speed of the incompatible software

What is a common example of virtual machines being used for gaming?

Games consoles being implemented on PCs via a virtual machine

Mobile phones using PC game emulators

PC games being ported to consoles

Alsager - A2 - 1.2.1 - Systems Software

Authored by Richard Steed

Computers

4th Grade

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an operating system?

To manage computer hardware and software resources

To create new software applications

To design computer hardware

To increase the temperature of the CPU

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which memory management technique involves dividing memory into fixed-sized units?

Paging

Segmentation

Virtual Memory

Round robin

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of Interrupt Service Routines (ISR)?

To provide a user interface

To handle interrupts and execute the appropriate action

To schedule processes

To manage files and directories

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scheduling algorithm is designed to give preference to shorter jobs?

Round robin

First come first served

Multi-level feedback queues

Shortest job first

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of operating system is designed for use on a network of computers?

Distributed

Embedded

Multi-user

Real Time

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of BIOS in a computer system?

To manage the file system

To facilitate multi-tasking

To initialize and test hardware during the booting process

To provide virtual memory

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of virtual machines?

To increase the storage capacity of a computer

To allow software to take on the function of a machine

To enhance the graphics of a computer

To speed up the internet connection

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