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1

GATE CSE 1994

Consider the following heap (Figure) in which blank regions are not in use and hatched region are in use.

The sequence of requests for blocks of size $$300, 25, 125, 50$$ can be satisfied if we use.

A
Either first fit or best fit policy (any one)
B
First fit but not best fit policy
C
Best fit but first fit policy
D
None of the above
2

GATE CSE 1994

A memory page containing a heavily used variable that was initialized very early and is in constant use is removed when
A
LRU page replacement algorithm is used
B
FIFO page replacement algorithm is used
C
LFU page replacement algorithm is used
D
None of the above
3

GATE CSE 1993

A simple two-pass assembler does the following in the first pass:
A
It allocates space for the literals.
B
It computes the total length of the program
C
It builds the symbol table for the symbols and their values.
D
It generates code for all the load and store register instructions.
4

GATE CSE 1993

A part of the system software, which under all circumstances must reside in the main memory is:
A
text editor
B
assembler
C
D

Joint Entrance Examination

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