WHAT IS PARTITIONING ? Certain operating system use partitioned memory management to allow multiprogramming . • Partitioning means dividing main memory into various sections. • These section are called as partitions. • There are two types of partitions: 1) fixed partition . 2) variable partition. Fixed partition . • In this method partitions are fixed at the time of system generation . At this time , system manager has to declear partition time. • Fixed partition are also called static partition . On declearing fixed partition , the operating system create partition description table. • It reduces the uses the CPU utiliisation . • It reduces the degree of multiprogramming. . variable partition . In variable partition number of partition and their size are variable • They are not defined at the time of system generation . • These partition are created by operating systems...
Question Bank Standard:- 12th Subject:- Computer Science (D9) Paper I March 2021 सूचना 1. फक्त शवद्यार्थ्यांना प्रश्नप्रकारांचा सराव करून देण्यासाठीच 2. सदर प्रश्नसंचातील प्रश्न बोर्डाच्या प्रश्नपशिके त येतीलच असे नाही याची नोंद घ्यावी. QUESTION BANK XII COMPUTER SCIENCE (D9) – PAPER I CHAPTER 1 – OPERATING SYSTEM MCQ – 1 Mark Q.No. Question Marking scheme 1. Operating system is a __________ i) hardware ii ) software iii) printer iv) input device 1 mark for correct alternative 2. ‘Open files’ is a system call provided under _________ of operating system. i) Information management ii) Process management iii) Memory management iv) GUI 1 mark for correct alternative 3. Program under execution is known as __________. i) File ii) Information iii) Data iv ) Process 1 mark for correct alternative 4. _______is a service of memory management of operating system. i) Copy a file ii) Suspend a Process iii) Allocate a chunk of memory iv) Open a directory 1 mark for correct alternative...
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