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This set of Operating System (OS) Multiple Choice Questions & Answers (MCQs) focuses on Operating System Set 7

Q1 | What does RAID stand for?
  • redundant array of independent disks
  • redundant array of inexpensive disks
  • redundant array of intermediate disks
  • redundant array of improper disks
Q2 | A set of hard disk drives with a controller mounted in a single box, forming a single large storage unit is                          
  • disk array
  • drives
  • compact drives
  • multi-cores
Q3 | The process in which a file is partitioned into smaller parts and different parts are stored in different disks is                          
  • raid
  • mirroring
  • stripping
  • raid classification
Q4 | Which of the following uses multiple hard disk platters mounted on a single central shift?
  • disk drives
  • hard disks
  • disk packs
  • compact disks
Q5 | Which of the following is not a magnetic disk?
  • floppy
  • winchester
  • zip
  • flash
Q6 | The software substituted for hardware and stored in ROM.
  • synchronous software
  • package software
  • firmware
  • middleware
Q7 | Middleware has enabled the production of various types of smart machines having microprocessor chips with embedded software.
  • true
  • false
Q8 | A “glue” between client and server parts of application.
  • middleware
  • firmware
  • package
  • system software
Q9 | MOM stands for?
  • message oriented middleware
  • mails oriented middleware
  • middleware of messages
  • main object middleware
Q10 | Storage of firmware is                        
  • cache memory
  • ram
  • external
  • rom
Q11 | DNS stands for?
  • domain name system
  • direct name system
  • direct network system
  • domain network system
Q12 | A software that lies between the OS and the applications running on it.
  • firmware
  • middleware
  • utility software
  • application software
Q13 | A type of middleware that allows for between the built-in applications and the real- time OS?
  • firmware
  • database middleware
  • portals
  • embedded middleware
Q14 | What is the other name for object middleware?
  • object request interface
  • object enabled interface
  • object request broker
  • object enabled broker
Q15 | The                calls certain procedures on remote systems and is used to perform synchronous or asynchronous interactions between systems.
  • procedure
  • rpc
  • message oriented
  • db
Q16 | Which module gives control of the CPU to the process selected by the short-term scheduler?
  • dispatcher
  • interrupt
  • scheduler
  • none of the mentioned
Q17 | In priority scheduling algorithm
  • cpu is allocated to the process with highest priority
  • cpu is allocated to the process with lowest priority
  • equal priority processes can not be scheduled
  • none of the mentioned
Q18 | The interval from the time of submission of a process to the time of completion is termed as                          
  • waiting time
  • turnaround time
  • response time
  • throughput
Q19 | Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?
  • first-come, first-served scheduling
  • shortest job scheduling
  • priority scheduling
  • none of the mentioned
Q20 | Which algorithm is defined in Time quantum?
  • shortest job scheduling algorithm
  • round robin scheduling algorithm
  • priority scheduling algorithm
  • multilevel queue scheduling algorithm
Q21 | Process are classified into different groups in                          
  • shortest job scheduling algorithm
  • round robin scheduling algorithm
  • priority scheduling algorithm
  • multilevel queue scheduling algorithm
Q22 | Which one of the following can not be scheduled by the kernel?
  • kernel level thread
  • user level thread
  • process
  • none of the mentioned
Q23 | CPU scheduling is the basis of
  • multiprocessor systems
  • multiprogramming operating systems
  • larger memory sized systems
  • none of the mentioned
Q24 | With multiprogramming              is used productively.
  • time
  • space
  • money
  • all of the mentioned
Q25 | What are the two steps of a process execution?
  • i/o & os burst
  • cpu & i/o burst
  • memory & i/o burst
  • os & memory burst