Operating System Unit 1

What is the role of an Operating System?

• It acts as the bridge between the user and the hardware

• It acts as the bridge between the hardware and the software

• It acts as the bridge between the kernel and the software

• It acts as the bridge between the user and the kernel

Avani, Aditi, and Sneha are planning a fun adventure! What are the objectives of an operating system?

• Simple to navigate and Secure

• Simple to navigate and Efficient

• Secure and Organized Storage

• Management of Files and Processes

Which service is not provided by the operating system for users?

• I/O operation

• Process Communication

• Protection

• Program Execution

IBM OS/2 is example of which operating system?

• Time Sharing Operating System

• Batch Operating System

• Real Time Operating System

• Multi- User Operating System

Hey there! To access the services of the operating system, who do you think provides the interface?

• Ananya's Assembly instructions

• Riyaan's Library

• Shreya's System calls

• API

Which statement is not correct?

• Kernel remains in the memory during the entire computer session

• Kernel is made of various modules which can not be loaded in running operating system

• Kernel is the first part of the operating system to load into memory during booting

• Kernel is the program that constitutes the central core of the operating system

Hey there! Can you guess what OS X and XNU have in common?

• Akhil says it's a monolithic kernel with modules

• Kabir thinks it's a microkernel

• Sanya believes it's a monolithic kernel

• Or maybe it's a hybrid kernel?

Hey there! Can you match the correct Layered Architecture?

• Layer 1 - m/m management

  Layer 4 - I/O Buffer

• Layer 0 - hardware

  Layer 5 - Process management

• Layer 2 - Memory Management

  Layer 3 - Process management

• Layer 0 - User Interface

  Layer 5 - Hardware

Hey there! Can you help Neha figure out what the operating system is responsible for?

• Bad-block recovery

• Booting from disk

• Disk Initialization

• All of the mentioned

Hey there! Can you tell me what SPOOL stands for?

• Similar Peripheral Operation Online

• Same Peripheral Operation Online

• Simultaneous Peripheral Operation Online

• Such Peripheral Operation Online