1
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
Thrashing
A
Reduces page $$I/O$$
B
Decreases the degree of multiprogramming
C
Implies excessive page $$I/O$$
D
Improve the system performance
2
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
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 above.
3
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
$$I/O$$ redirection
A
Implies changing the name of a file
B
Can be employed to use an existing file as input file for a program
C
Implies connection $$2$$ programs through a pipe
D
None of the above
4
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
The correct matching for the following pairs is
$$\,\,\,\,\,$$ List - $${\rm I}$$
(a) $$DMA$$ $$\,\,$$ $${\rm I}/O$$
(b) Cache
(c) Interrupt $${\rm I}/O$$
(d) Condition Code Register

$$\,\,\,\,\,$$ List - $${\rm II}$$
(1) High speed $$RAM$$
(2) Disk
(3) Printer
(4) $$ALU$$

A
$$a - 4,\,\,b - 3,\,\,c - 1,\,\,d - 2$$
B
$$a - 2,\,\,b - 1,\,\,c - 3,\,\,d - 4$$
C
$$a - 4,\,\,b - 3,\,\,c - 2,\,\,d - 1$$
D
$$a - 2,\,\,b - 3,\,\,c - 4,\,\,d - 1$$
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