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Which one is a property of a

microkernel?

It includes all system services within the kernel space.

It runs only on embedded systems.

It keeps only essential services in the kernel and moves others to user space.

It is designed to be slower than monolithic kernels on purpose.

None of the answers.

How do protection and security

differ in terms of the types of threats they address?

Both address only external threats.

Protection and security address the same types of threats.

Protection addresses internal threats, while security addresses external threats.

Protection focuses on software threats, while security focuses on hardware threats.

All of the answers.

Which of the following is a

disadvantage

of the layered approach

compared to the modular approach?

The layered approach requires more system components to function.

The layered approach is always slower than the modular approach.

The layered approach does not support multi-tasking.

The layered approach restricts direct communication between layers, which may reduce flexibility.

All

of the answers

What is a key characteristic of a

module structure in programming?

It runs all code in a single block without separation.

Moves as much functionality as possible from the kernel into user space.

It prevents the use of functions or variables.

It is only used for graphical user interfaces.

None of the answers.

What is the correct order of storage types from fastest to slowest?

Hard Disk→ Cache → Main Memory → Solid-State Disk

Hard Disk → Main Memory → Cache → Solid-State Disk

Solid-State Disk → Hard Disk → Cache → Main Memory

Main Memory → Cache → Solid-State Disk → Hard Disk

Cache → Hard Disk → Solid-State Disk → Main Memory

None of the answers.

Which of the following is a primary function of memory management in an operating system?

What
is the bootstrap program responsible for?

Initializing

the system and loading the OS kernel

A program that manages memory allocation.

Running

all application programs at startup

Controlling

network settings

All of the answers

None of the answers

What is the role of a device controller in a computer system?

Controlling

CPU usage

It controls the execution of programs in main memory.

It monitors CPU performance during computation.

It allocates memory resources to active processes.

All of the answers

None of the answers

What is cache memory used for in a computer system?

Permanently storing frequently accessed data for faster retrieval

Temporarily storing frequently accessed data for faster retrieval

Storing user account information

Saving files permanently

Backing up all user data automatically

All of the answers