Create a shared folder D:\HRDocs with share name HR_Share. Grant Full Control share permission to HR group. Modify NTFS permission to HR group and Full Control to Administrators. Provide step-by-step procedure with screenshots.

Create a new Active Directory user: Full Name: Arjun Mehta, Logon Name: arjun.m. Force password change at next logon and add the user to the HR group

Create a directory /srv/projects. Assign ownership to analyst:support and configure permissions so owner has rwx, group has r-x and others have no access.

 A school maintains students' examination records using spreadsheets. Explain how the following spreadsheet features can be used effectively:
 Formulae
 Functions
 Cell Referencing
 Charts
 Conditional Formatting Illustrate your answer with a suitable example

Create a user account named trainee with home directory /home/trainee and shell /bin/bash. Create a group named support and add trainee and analyst to it. Write the required commands with explanation

Write a shell script named disk_monitor.sh that checks disk usage of the root (/) partition. If usage exceeds 80%, display a warning; otherwise display available free space.

Write a shell script named archive_logs.sh that accepts a directory path and compresses only .log files into logs_archive.tar.gz. If no .log files exist, display an appropriate message.

Prepare a professional project report using a word processor. Explain how the following features improve the quality of the document:

 Styles

 Table of Contents

 Header and Footer

 Tables

 Mail Merge

A computer in your office has become slow and frequently displays warning messages about malware. Explain how utility software and antivirus software can be used to improve system performance and protect data.

A software developer wants to create a payroll application. Explain how algorithm, flowchart, program, and programming language contribute to software development. Illustrate your explanation with a suitable example.

Process Allocation Maximum Requirement

P1 1 0 1 3 2 2

P2 2 1 0 4 2 2

P3 0 1 2 2 2 3

P4 1 1 1 3 3 2

A manufacturing company uses four processes (P1–P4) competing for three resources (A, B and C). The resource allocation is shown below.

What are system calls? Explain how a user application requests memory allocation from the operating system using system calls. Illustrate the transition between user mode and kernel mode with a neat diagram.

A software developer wants to create a payroll application. Explain how algorithm, flowchart, program, and programming language contribute to software development. Illustrate your explanation with a suitable example.

ompare a Distributed Operating System and a Network Operating System with respect to:

Resource sharing

Transparency

Scalability

Fault tolerance

Suggest the most suitable operating system model for this organization with proper justification.

A software company has recently expanded its operations from one office to five geographically distributed development centres. The management wants employees to access shared computing resources without knowing the physical location of the servers.

Compare single-user, multitasking, multiuser, and real-time operating systems. Recommend the most suitable operating system for each of the following situations

:  ATM system

 College computer laboratory

 Mobile phone

 Scientific research workstation

An organization wants to migrate its software infrastructure from traditional desktop computing to client server-based. Discuss how software architecture has evolved over time and explain the advantages and challenges of adopting client server-based.

A newly established college plans to procure software for its computer laboratories. Recommend suitable system software, application software, utility software and open-source software for the laboratory. Justify your recommendations with suitable examples.

 A drilling machine bores holes with a mean diameter of 0.5230 cm and standard deviation of 0.0032 cm. Calculate the 2-sigma and 3-sigma upper and lower control limits for samples of size 4. Also prepare and explain the control chart.