HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Important Questions for Computer Science 1

What are the different method by which virus can infect other  programs ?

State the various steps involved in the allocation of partition in case of fixed partition memory management.

If the page size for 2MB memory is 2KB then the number of higher order bits on address bus used to denote page number is________.

(i) 11

(ii) 10

(iii) 9

(iv) 8

List and explain types of File Systems used in OS.

Explain tape-based and disk-based file system.

What is VDU?

Explain following terms of VDU: Dumb Terminal

Explain following terms of VDU: Intelligent Terminal

What is Graphical User Interface (GUI) ?

Explain the following process states :

Running State

Explain the following process states :

Ready State

Explain the following process states :

Blocked State

Define Security

Explain the different elements of security

Explain following terms in case of Process Scheduling

1) Turn-around Time

2) Waiting Time

3) Terminal Response Time

4) Event Response Time

___________ is free software.

List any six features of LINUX Operating System.

 Write the difference between Worm and Virus.

 Explain the function of the following in Operating system: 
1) Virus Detection
2) Virus Removal 
3) Virus Prevention 

What are the functions of Memory Management? State any two types of  continuous Real  Memory Management System.