The main memory of a computer has $$2$$ $$cm$$ blocks while the cache has $$2$$ $$c$$ blocks. If the cache uses the set associative mapping scheme with $$2$$ blocks per set, then block $$k$$ of the main memory maps to the set:
A
($$k$$ mod $$m$$) of the cache
B
($$k$$ mod $$c$$) of the cache
C
($$k$$ mod $$2c$$) of the cache
D
($$k$$ mod $$2cm$$) of the cache
2
GATE CSE 1996
MCQ (Single Correct Answer)
A $$ROM$$ is used to store the table for multiplication of two $$8$$ bit unsigned integers. The size of $$ROM$$ required is
A
$$256 \times 16$$
B
$$64K \times 8$$
C
$$4K \times 16$$
D
$$64K \times 16$$
3
GATE CSE 1995
MCQ (Single Correct Answer)
A computer system has a $$4K$$ word cache organized in block set associative manner with $$4$$ blocks per set, $$64$$ words per block. The number of bits in the $$SET$$ and $$WORD$$ fields of the main memory address format is
A
$$15,40$$
B
$$6,4$$
C
$$7,2$$
D
$$4,6$$
4
GATE CSE 1995
Subjective
The capacity of a memory unit is defined by the number of words multiplied by the number of bits/word. How many separate address and data lines are needed for a memory of $$4K$$ $$ \times $$ $$16?$$
Answer
$$12$$ address lines and $$16$$ data lines.
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