Discussion
Match the following :
| List - I | List - II |
|---|---|
| a. Critical region | 1. Hoares Monitor |
| b. Wait/signal | 2. Mutual exclusion |
| c. Working set | 3. Principal of locality |
| d. Dead lock | 4. Circular wait |
Codes : a b c d
Answer: A
A critical region is the section of code that needs mutual exclusion (2). Wait and signal are the operations of a monitor, which was proposed by Hoare (1). A working set is the set of pages a process is using, which rests on the principle of locality (3). Deadlock requires a circular wait among processes (4). The code is 2 1 3 4. In the other codes a pair is wrong, for example the third code gives the working set to Hoare's monitor, which is a synchronisation device and has nothing to do with paging. The keyed answer is the first code.
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