CS100 Question and answers verified to
pass 2025
Operating System - correct answers manages resources, loads & runs
programs, manages CPU, manages RAM
Tasks of CPU - correct answers multitasking, scheduling, manages
communication with hard drive sensory
Tasks of RAM - correct answers file permissioning, use permissions, note
taking
The system consists of - correct answers Drives, CPU, RAM
Kernel - correct answers manages drive, manages CPU, manages files
manages memory
We talk to the Operating systems using - correct answers GUI or shell
User Interface - correct answers Graphical user interface (GUI), Text
based/Command Line (shell)
File Manager - correct answers Directory/folder, user created bundle of files
and other directions, Directory path
Directory path - correct answers sequences of directions
, Memory manager - correct answers allocate memory, free memory, manages
virtual memory (used H.P. space as RAM)
CPU - correct answers scheduling-> round robin, S.J.F., Priority
Round Robin - correct answers doesn't always make sense, goes in same
over, everything gets same amount of time
SJF - correct answers whoever has the shortest job is done first, reduces
average wait time, if a lot of shorter jobs come in big jobs never get done
Priority - correct answers Prioritized jobs get done first
Booting - correct answers starting over
Boot loader - correct answers a program in RAM, run by CPU when power is
on, identities, hardware, transfers OS from HD to memory, jump to OS
Process - correct answers activity of executing a program; something running
Process stute (current status) - correct answers running, stopped, paused
Scheduler - correct answers part of OS that adds new processes to the
process table and removes completed processes from the table
Dispatcher - correct answers controls the allocation of the slices in the
processes table
pass 2025
Operating System - correct answers manages resources, loads & runs
programs, manages CPU, manages RAM
Tasks of CPU - correct answers multitasking, scheduling, manages
communication with hard drive sensory
Tasks of RAM - correct answers file permissioning, use permissions, note
taking
The system consists of - correct answers Drives, CPU, RAM
Kernel - correct answers manages drive, manages CPU, manages files
manages memory
We talk to the Operating systems using - correct answers GUI or shell
User Interface - correct answers Graphical user interface (GUI), Text
based/Command Line (shell)
File Manager - correct answers Directory/folder, user created bundle of files
and other directions, Directory path
Directory path - correct answers sequences of directions
, Memory manager - correct answers allocate memory, free memory, manages
virtual memory (used H.P. space as RAM)
CPU - correct answers scheduling-> round robin, S.J.F., Priority
Round Robin - correct answers doesn't always make sense, goes in same
over, everything gets same amount of time
SJF - correct answers whoever has the shortest job is done first, reduces
average wait time, if a lot of shorter jobs come in big jobs never get done
Priority - correct answers Prioritized jobs get done first
Booting - correct answers starting over
Boot loader - correct answers a program in RAM, run by CPU when power is
on, identities, hardware, transfers OS from HD to memory, jump to OS
Process - correct answers activity of executing a program; something running
Process stute (current status) - correct answers running, stopped, paused
Scheduler - correct answers part of OS that adds new processes to the
process table and removes completed processes from the table
Dispatcher - correct answers controls the allocation of the slices in the
processes table
