City Guilds Model Questions Vol1 2025 Information Technology Question 2

Practice practical question 2 from the 2025 City Guilds Model Questions Vol1 Information Technology examination. This question covers Operating system process management, CPU utilisation, Memory utilisation, Command‑line operations .

City Guilds Model Questions Vol1 2025 Information Technology Practical
Topics: Operating system process management CPU utilisation Memory utilisation Command‑line operations
Question 2 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2025 • INFORMATION_TECHNOLOGY • practical

A Linux system administrator captures a snapshot of the process table using the command `ps -eo pid,time,pmem,stat` and records the following data: | PID | CPU Time (seconds) | Memory (MB) | Status | |-----|--------------------|------------|--------| | 101 | 120 | 150 | R | | 102 | 45 | 80 | S | | 103 | 200 | 300 | R | | 104 | 30 | 50 | T | | 105 | 90 | 120 | R | `R` = Running, `S` = Sleeping, `T` = Stopped. Using this information, answer the questions below.

Question Parts

( a )
Calculate the total CPU time consumed by all the listed processes.
( b )
Determine the average memory usage of the five processes (in MB, rounded to one decimal place).
( c )
Identify the process that consumes the most memory and state its PID.
( d )
If the process identified in part (c) is terminated, recalculate: i. the total memory usage of the remaining processes; ii. the new average memory usage (rounded to one decimal place). Finally, write the exact Linux command that would be used to terminate that process.

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About This Question

This is City Guilds Model Questions Vol1 2025 Information Technology Question 2. It is one of the practical questions from the 2025 City Guilds Model Questions Vol1 Information Technology examination.

The question covers Operating system process management, CPU utilisation, Memory utilisation, Command‑line operations .

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