What is the role of the OS in file handling regarding the hard disk?

The OS is responsible for allocating space on the hard disk.

The OS is responsible for creating files on the hard disk.

The OS is responsible for deleting files from the hard disk.

The OS is responsible for defragmenting the hard disk.

When calculating the required space for a file on a disk with a block size of 512 bytes, what mathematical operation is applied if the number of blocks calculated is not a whole number?

Rounding down to the nearest whole number

Rounding up to the nearest whole number

What is the purpose of access permissions in an operating system?

To maintain information on which users can do what actions to each file

To delete files from the system

What happens to a program when it is run?

It is copied from the secondary storage into the memory.

It is deleted from the secondary storage.

It is transferred to the CPU directly from the input device.

It is compressed and stored in the cloud.

How many instructions can each CPU carry out at a time?

Multiple instructions simultaneously

As many as the number of cores in the CPU

What is the purpose of a scheduling algorithm in an operating system (OS)?

To ensure all processes get a share of CPU time

To delete processes that are no longer needed

To prioritize user input over system processes

To allocate disk space to processes

In the Shortest Job First scheduling algorithm, which process is selected to run next?

The process which is closest to being completed

The process that has been waiting the longest

The process with the highest priority

The process that most recently arrived in the queue

How does the Round-robin scheduling algorithm handle processes?

It allocates a fixed amount of CPU time to each process in a circular order

It runs each process to completion before starting the next one

It only runs the processes with the highest priority

It assigns CPU time based on the size of the process

What is one of the advantages of the round-robin scheduling algorithm?

Balanced throughput (number of processes completed over time)

Processes can be 'starved' of access to hardware

There is no overhead involved in switching between processes

Processes have priorities that determine their access to hardware

Which of the following is a disadvantage of the round-robin scheduling algorithm?

There is some overhead (wasted time) involved in switching between processes

Processes always have immediate access to hardware

The average response time is poor regardless of the number of processes

Processes can be 'starved' of access to hardware due to priority systems

What can happen to processes in a round-robin scheduling system when there are many waiting?

Processes may have to wait a long time to complete

Processes are completed more quickly

Processes are assigned priorities to reduce waiting time

Processes never wait and are executed immediately

What is an advantage of the Shortest Job First scheduling algorithm?

Slower response time for short processes

Higher overhead due to more task switching

What is a disadvantage of the Shortest Job First scheduling algorithm?

Longer processes may be starved of processing time

Shorter processes are executed less frequently

Execution time does not need to be known ahead of time

Lower overhead with more task switching

Which of the following is a disadvantage of the First In First Out (FIFO) scheduling method?

Throughput may be low as longer processes may cause wait times to be high

Processes are always reorganised in the queue

Processes are given CPU time based on priority

Task switching happens frequently before processes are completed

What is a consequence of not prioritising tasks in the First In First Out (FIFO) scheduling method?

Time-sensitive processes may not meet their deadlines

All processes meet their deadlines

The queue is frequently reorganised to manage priorities

Response and completion times are consistent for all tasks

What does the OS assign to a process when it is loaded into memory?

A series of addresses called pages

Why does the OS need an efficient way of using memory?

Because the size of any memory is finite

Because the size of any memory is infinite

Because the memory is always volatile

Because the memory is self-managing

What is virtual memory used for in a computer system?

To extend the main memory by using space on the hard drive

To increase the processing speed of the CPU

To clean the RAM for better performance

What are peripheral devices?

Additional hardware that are connected to a computer

The main components that make up the computer's motherboard

Software applications used to perform specific tasks

The internal wiring of a computer system

What is the role of 'Icons' in the WIMP format of GUIs?

To represent programs you can execute or actions you can do.

To list options to choose from in a GUI.

To move around and overlay programs.

To click on items using a mouse.

What is the primary way a user interacts with a Command Line Interface (CLI)?

By typing in commands to be executed

Why might CLIs be considered more challenging to use than other interfaces?

They require knowledge of specific commands

They provide less control over the computer's functions

They are slower than other interfaces

They use more machine resources

Which of the following is a benefit of machines running a CLI?

They tend to run more quickly as the interface is not competing for machine resources

They use icons and pointers for interaction

They compete for machine resources

Why is multi-factor authentication used in computer systems?

To make computer systems more secure

To make it easier to remember passwords

To increase the difficulty of accessing accounts

To allow multiple users to use the same account

Alsager - PCS Block 4

Authored by Richard Steed

Computers

4th Grade

Used 5+ times

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46 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two types of software that computers need to be useful?

Application software and utility software

System software and application software

Operating software and functional software

Utility software and operating software

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of system software?

It is used for performing specific tasks like word processing.

It enables a computer to function and includes programs like web browsers.

It includes programs that the user interacts with most, such as games.

It enables a computer to function and includes the operating system and utility programs.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of software do users interact with most?

System software

Application software

Utility software

Operating system

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of application software?

Device drivers

Spreadsheets

BIOS

Kernel

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a responsibility of an operating system ?

Process management

Network configuration

File management

User management

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does user management in an operating system involve?

Interfacing with device drivers

Organising instructions in memory

Providing a user interface and access levels

Organising the contents of secondary storage

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of peripheral management in an operating system?

Providing a user interface and access levels

Organising the contents of secondary storage

Interfacing with device drivers to control physical devices

Organising instructions in memory

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Alsager - PCS Block 4

What are the two types of software that computers need to be useful?

What is the role of system software?

Which type of software do users interact with most?

Which of the following is an example of application software?

Which of the following is NOT a responsibility of an operating system ?

What does user management in an operating system involve?

What is the role of peripheral management in an operating system?

What is the role of the OS in file handling regarding the hard disk?

What are files broken into for storage on the hard drive?

How many bytes are there in one kibibyte (KiB)?

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