1.2.1 Operating Systems (A to D)

What is the primary role of an operating system (OS)?

• To act as a standalone application

• To serve as an intermediary between the user and computer hardware

• To function as a database management system

• To provide internet connectivity

What does the OS provide to ensure a stable environment for software applications?

• A command-line interface

• Standard interfaces and services

• Disk cleanup utilities

• File compression tools

Which of the following is an example of a utility program included in an OS?

• Web browser

• Disk cleanup

• Word processor

• Email client

What does the OS use to manage immediate attention events?

• File management

• Interrupts

• Security protocols

• User commands

What is a critical function of the OS related to memory?

• Memory Management

• File Management

• Process Scheduling

• Device Management

What is the purpose of virtual memory?

• To use more memory than physically available

• To increase CPU speed

• To enhance graphics performance

• To improve network connectivity

Which of the following is a benefit of virtual memory?

• Limited access to system resources.
• Increased hardware requirements for software.
• Increased memory capacity for applications.
• Decreased processing speed for applications.

In memory management, which technique involves processes being divided into fixed size blocks?

In memory management, which technique divides processes into logical parts?

What happens to the contents of the dedicated registers when an interrupt occurs?

• The contents of dedicated registers are saved to preserve their state.
• The contents of dedicated registers are transferred to the main memory.
• The contents of dedicated registers are ignored during the interrupt.
• The contents of dedicated registers are deleted permanently.