Memory Allocation - Operating System Questions and Answers - Sanfoundry PDF

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3/9/2021

Memory Allocation - Operating System Questions and Answers - Sanfoundry

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This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management – Memory Allocation – 1”. 1. The main memory accommodates ____________ a) operating system b) cpu c) user processes d) all of the mentioned View Answer Answer: a Explanation: None.

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2. What is the operating system? a) in the low memory b) in the high memory c) either low or high memory (depending on the location of interrupt vector) d) none of the mentioned View Answer Answer: c Explanation: None. 3. In contiguous memory allocation ____________ a) each process is contained in a single contiguous section of memory b) all processes are contained in a single contiguous section of memory c) the memory space is contiguous d) none of the mentioned View Answer Answer: a Explanation: None. 4. The relocation register helps in ____________ a) providing more address space to processes b) a dierent address space to processes c) to protect the address spaces of processes d) none of the mentioned

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Memory Allocation - Operating System Questions and Answers - Sanfoundry

Answer: c Explanation: None. 5. With relocation and limit registers, each logical address must be _______ the limit register. a) less than b) equal to c) greater than d) none of the mentioned View Answer Answer: a Explanation: None. advertisement

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6. The operating system and the other processes are protected from being modied by an already running process because ____________ a) they are in dierent memory spaces b) they are in dierent logical addresses c) they have a protection algorithm d) every address generated by the CPU is being checked against the relocation and limit registers View Answer

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Memory Allocation - Operating System Questions and Answers - Sanfoundry

7. Transient operating system code is code that ____________ a) is not easily accessible b) comes and goes as needed c) stays in the memory always d) never enters the memory space View Answer Answer: b Explanation: None. 8. Using transient code, _______ the size of the operating system during program execution. a) increases b) decreases c) changes d) maintains View Answer Answer: c Explanation: None. 9. When memory is divided into several xed sized partitions, each partition may contain ________ a) exactly one process b) at least one process c) multiple processes at once d) none of the mentioned View Answer Answer: a Explanation: None. advertisement

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Memory Allocation - Operating System Questions and Answers - Sanfoundry

10. In xed size partition, the degree of multiprogramming is bounded by ___________ a) the number of partitions b) the CPU utilization c) the memory size d) all of the mentioned View Answer Answer: a Explanation: None 11. The rst t, best t and worst t are strategies to select a ______ a) process from a queue to put in memory b) processor to run the next process c) free hole from a set of available holes d) all of the mentioned View Answer Answer: c Explanation: None. Sanfoundry Global Education & Learning Series – Operating System. Here’s the list of Best Reference Books in Operating System. To practice all areas of Operating System, here is complete set on 1000+ Multiple Choice Questions and Answers on Operating System. advertisement

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Participate in the Sanfoundry Certication contest to get free Certicate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Telegram | Youtube | LinkedIn | Instagram | Facebook | Twitter | Pinterest « Prev - Operating System Questions & Answers – Memory Management » Next - Operating System Questions and Answers – Memory Management – Memory Allocation – 2 advertisement

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn

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