Chapter 10 Operating System

 

Part A

Unit III

Chapter 10

Operating System 

1. Tick the correct option.

a. Which of the following is an example of an operating system?

i. Linux                                                            ii. Paint

iii. MS PowerPoint                                     iv. Java

 

b. Which OS is popularly used for smartphones and tablets?

i. Unix                                                             ii. Linux

iii. Windows 7                                              iv. Android

 

c. Which OS is freely available?

i. Linux                                                            ii. BOSS

iii. Windows 7                                              iv. Android

 

d. Which of the following operating system is available in the mobile devices?

i. MSC OS X                                   ii. Windows XP

iii. Android                                    iv. Linux 

Short Answer types Questions. 

1.       What are the two main components that make up a computer system?

Ans. Hardware and Software are the two main components that make up a computer system. 

2.       In addition to mobiles and tablets, what are the other devices that supports Android OS?

Ans. In additions to mobiles and tablets smart watches, smart TVs and set top boxes  support Android OS. 

3.       Where was BOSS developed?

Ans. The operating system BOSS (Bharat Operating System Solutions) is developed by C-DAC, Chennai. 

4.       Which company developed Solaris, initially?

Ans. Solaris was initially developed by Sun Microsystems. 

5.       Discuss the use of command keys in a keyboard.

Ans. The command keys such Insert helps in inserting text, Delete key is used to delete the text and backspace key is used delete the text on the left side of the cursor.

 

Long Answer Types Questions.

 

1.       Discuss the need of an OS.

Ans. An operating system (OS) is essential system software in a computer. It manages all the hardware resources and application software. It acts as an interface between the computer hardware and the user. Additionally, it is responsible for managing processes, memory allocation, input/output (I/O) devices, and multitasking within the computer system.

 2.       What is an Android?

Ans. An Android is an open-source, Linux-based mobile operating system developed by Google and the Open Handset Alliance, used on smartphones, tablets, and other devices. It is a popular platform that supports a wide variety of applications, and the source code is publicly available under the Apache License.

 3.       How does the command interpretation module of an OS work to provide interaction between a user and a computer system?

Ans. The interpreter reads the text-based command entered by the user and then translates this command into a format that the OS kernel can understand. It directly execute the internal command, if the command is external, it calls the OS kernel to load and execute the command. Finally it manages the display of any output, error message or a new prompt. Completing the interaction cycle.

 Output: Finally, it manages the display of any output, error messages, or a new prompt, completing the interaction cycle. This translation and execution process allows users to control system functions, manage files, and run applications without needing to interact directly with the complex OS kernel.

4.       Discuss the BOSS operating system, in detail.

Ans. BOSS(Bharat Operating System Solutions) is a GNU/Linux based free and open source software developed by the Centre for Development of Advanced Computing (C-DAC) under the Ministry of Electronics and Information Technology (MeitY), Government of India. It has enhanced desktop environment integrated with Indian language support, as a result, more people would be able to access the software in their own local language to use the internet and other information and communication Technology. 

5.       What are device drivers?

Ans. A device driver is a small piece of software that acts as a translator between a computer's Operating System (OS) and a specific piece of hardware (like a printer, graphics card, or keyboard).  It allows the OS and applications to use a hardware device without needing to know the complex, low-level details of that hardware. When the OS issues a general command (e.g., "draw a picture"), the driver converts that command into the precise, specific instructions the hardware component (the graphics card) can understand and execute.

 

 

 

 

 

 

 

 

 

 

 

 

 

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