HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Computer Science 1

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 component of GUI:

Menu Bar

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. 

 Write a short note on Paging.