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When I feel that there is an error in grading, I should…

Which of the following types of assignments are to be done in groups? Mark all that apply.

Which of the following would result from doubling the block size in a multilevel indexed filesystem, assuming no other changes? Doubling of maximum file size.[1]  Decrease the average read/write time on spinning disks.[2]  Increased space efficiency / utilization.[3]  Doubling of maximum filesystem size.[4] 

Which of these requires citation of sources for work (e.g., writing or code)? Work is copied from another source [1] Work is inspired by another source [2] I copied part of work from a previous submission / publication [3] I am inspired by my previous submission / publication [4]

Select which of the following operations always require switching to Kernel Mode for execution. Handling Interrupts.[1]  Opening a web browser.[2] Disk I/O operations.[3] Memory Allocation.[4]

Select True or False for the following statements An access control matrix that consists of a large number of groups, and objects will take up more storage space than an access control list of the same number of groups, and objects.[1] A user at security level 2 using the Bell-Lapadula model can only read objects at level 2.[2] In asymmetric secret-key cryptography, the encryption key is always announced publicly.[3]

Which of the following are recognized approaches employed in handling deadlocks? I. Ostrich Approach [OA] II. Detection & Recovery [DR] III. Dynamic Avoidance [DA] IV. Deadlock Prevention [DP] V. State Unwinding [SU]

Which of the following statements are correct with respect to segmentation? I. Total address space can’t exceed the size of physical memory [options] II. There is a single linear address space [options2] III. Procedures and data can be distinguished and separately protected with this scheme [options3] IV. Segmentation is rarely used now. Paging is a more common approach.[options4]

Select True or False for the following statements.  A Short Term Scheduler decides CPU allocation for the processes in interactive Operating Systems.[1] Long Term Schedulers are only used in interactive Operating Systems.[2]  The Medium Term Scheduler is responsible for maintaining memory load.[3]

Which of the following are true of chained table allocation (e.g. FAT file system)? I. Files are allocated in fixed-sized blocks. [BL] II. All parts of the file are stored at contiguous addresses.  [CON] III. Chained table allocation (FAT) uses a table to track free disk space.[MA] IV. Uses index block entries to locate data. [IN]