SOLUTIONS FOR CLASS 9 CHAPTER 10 BASIC COMPUTER OPERATIONS

 

A. Multiple Choice Questions:

1. The name of Edubuntu's Graphical User Interface is................

• a. Unity 
• b. Bash 
• c. Kernel 
• d. shell

Answer: a. unity

2. The........................ checks the functioning of all the connected hardware, including primary and secondary storage devices. 

• a. Booting process 
• b. POST 
• c. Power on 
• d. Input Unit 

Answer: b. POST

3.........................operating system runs on computers which are located in different geographical areas, interconnected through a network. 

• a. GUI
• b. Command line 
• c. Real-time
• d. Distributed  

Answer: d. Distributed

4. The small labeled pictures or symbols present on the desktop are called..........................   

• a. Icons 
• b. Pixels 
• c. Buttons 
• d. Commands 

Answer: a. Icons

5. The operating system has two components...............and..................  

• a. Software and Hardware 
• b. Software and Technologies 
• c. Shell and Kernel 
• d. Files and Devices 

Answer: c. shell and kernel

B. Fill in the Blanks: 

1. The multithreading operating systems allow different parts of an application or program to run simultaneously. 

2. The trash stores the deleted files in Edubuntu. 

3. A batch file consists of a series of interpreters to be executed by the command-line interpreter. 

4. DOS files are organized in a hierarchical or an inverted tree-like structure. 

5. Linux was developed by Linux Torvalds in the year 1991.  

C. Answer the Following Questions: 

1. What is system software? 

Ans. System software is software designed to provide a platform for other software. Examples of system software are macOS, Linux, Android, and Microsoft Windows.

2. What do you mean by the multitasking operating system? 

Ans. The ability to perform more than one task at the same time is called multitasking. Multitasking Operating systems allow the user to do multitasking. Example Windows 2000 onwards Linux operating system etc.

3. Who wrote the original disk operating system? 

Ans. Timothy Patterson wrote the original disk operating system.

4. What do you mean by multithreading OS? 

Ans. These are the operating systems that allow different parts of an application program to run simultaneously. Example Windows 2000 onwards, Linux, etc.

5. What are the various categories of system software? 

Ans. Various categories of system software are:- 

• operating systems 
• device drivers 
• middleware 
• utility software 
• shell and window in systems.

6. What security measures does an operating system provide to a computer? 

Ans. Operating systems secure the system and block unauthorised access to the system by many Different techniques and methods.