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ISRO | ISRO CS 2008 | Question 54
Dirty bit for a page in a page table(A) helps avoid unnecessary writes on a paging device(B) helps maintain LRU information(C) allows only read on a page(D) None of the ab...
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ISRO
ISRO | ISRO CS 2008 | Question 53
Which of the following is an example of spooled device?(A) A line printer used to print the output of a number of jobs(B) A terminal used to enter input data to a running...
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ISRO
ISRO | ISRO CS 2008 | Question 52
The Memory Address Register(A) is a hardware memory device which denotes the location of the current instruction being executed.(B) is a group of electrical circuit, that ...
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ISRO
ISRO | ISRO CS 2008 | Question 51
What is the name of the operating system that reads and reacts in terms of operating system?(A) Batch system(B) Quick response time(C) real time system(D) Time sharing sy...
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ISRO
ISRO | ISRO CS 2008 | Question 50
Thrashing(A) always occurs on large computers(B) is a natural consequence of virtual memory systems(C) can always be avoided by swapping(D) can be caused by poor paging al...
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ISRO
ISRO | ISRO CS 2008 | Question 49
Dynamic address translation(A) is part of the operating system paging algorithm(B) is useless when swapping is used(C) is the hardware necessary to implement paging(D) st...
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ISRO
ISRO | ISRO CS 2008 | Question 48
With Round-Robin CPU scheduling in a time shared system(A) using very large time slices (quantas) degenerates into FirstCome First served (FCFS) algorithm.(B) using extrem...
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ISRO
ISRO | ISRO CS 2008 | Question 47
Feedback queues(A) are very simple to implement(B) dispatch tasks according to execution characteristics(C) are used to favour real time tasks(D) require manual interven...
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ISRO
ISRO | ISRO CS 2008 | Question 46
The total time to prepare a disk drive mechanism for a block of data to be read from it is(A) seek time(B) latency(C) latency plus seek time(D) transmission time Answer:...
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ISRO
ISRO | ISRO CS 2008 | Question 45
Which of the following is termed as minimum error code(A) Binary code(B) Gray code(C) Excess 3 code(D) Octal code Answer: (B) Explanation: Gray codes are less error-prone ...
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ISRO
ISRO | ISRO CS 2008 | Question 44
Which of the following need not necessarily be saved on a context switch between processes?(A) General purpose registers(B) Translation look-aside buffer(C) Program counte...
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ISRO
ISRO | ISRO CS 2008 | Question 43
Raid configurations of the disks are used to provide(A)Fault-tolerance(B)High speed(C)High data density(D)A B Answer: (D)Explanation:RAID stands for Redundant Array of I...
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ISRO
ISRO | ISRO CS 2008 | Question 42
The TRAP is one of the interrupts available in INTEL 8085. Which one of the following statements is true of TRAP ?(A) it is level triggered(B) it is negative edge triggere...
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ISRO
ISRO | ISRO CS 2008 | Question 41
The device which is used to connect a peripheral to bus is known as(A) control register(B) interface(C) communication protocol(D) none of these Answer: (B) Explanation: I...
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ISRO
Preorder Successor of a Node in Binary Tree
Given a binary tree and a node in the binary tree, find the preorder successor of the given node. It may be assumed that every node has a parent link.Examples:Consider the...
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