Q1. Draw the Gantt chart and calculate the following for the processes in the table below, using FCFS Scheduling Algorithm Processes Burst Time(in ms) Arrival Time P1 5 4 P2 10 1 P3 3 2 P4 2 a. Draw Gantt Chart b. Calculate waiting time of each process. c. Average waiting time.

If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?

A user complains that her computer is performing slowly. She tells you the problem started about a week ago when new database software was installed. The software runs in the background to update a database synced between the user’s workstation and database server. Which is the best tool or method to use to determine if the new software is hogging computer resources? a. Uninstall the database software and see if performance improves. b. Use Performance Monitor and Process counters to observe performance. c. Use the Performance tab of Task Manager to observe database software activity. d. Install more memory to improve system resources to handle the new software.