1
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
The data given below. Solve the problems and choose the correct answer. GATE CSE 2005 Computer Organization - Computer Arithmetic Question 3 English

The normalized representation for the above format is specified as follows. The mantissa has an implicit preceding the binary (radix) point. Assume that only $$0's$$ are padded in while shifting a field. The normalized representation of the above $$\left( {0.239 \times {2^{13}}} \right)$$ is

A
$$0A$$ $$20$$
B
$$11$$ $$34$$
C
$$4D$$ $$D0$$
D
$$4A$$ $$E8$$
2
GATE CSE 2005
MCQ (Single Correct Answer)
+1
-0.3
Increasing the $$RAM$$ of a computer typically improves performance because
A
Virtual memory increases
B
Larger $$RAM$$s are faster
C
Fewer page faults occur
D
Fewer segmentation faults occur
3
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider a direct mapped cache of size $$32$$ $$KB$$ with block size $$32$$ bytes. The $$CPU$$ generates $$32$$ bit addresses. The number of bits needed for cache indexing and the number of tag bits are respectively
A
$$10, 17$$
B
$$10,22$$
C
$$15,17$$
D
$$5, 17$$
4
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
A $$5$$ stage pipelined $$CPU$$ has the following sequence of stages $$IF$$-Instruction fetch from instruction memory, $$RD$$-Instruction decode and register read, $$EX$$-Execute: $$ALU$$ operation for data and address computation, $$MA$$-Data memory access-for write access the register read and $$RD$$ stage it used, $$WB$$-Register write back.

Consider the following sequence of instructions:
$$\eqalign{ & {{\rm I}_1}:L\,R0,\,\,Loc1;\,R0 < \,\, = M\,[Loc1] \cr & {{\rm I}_2}:A\,R0,\,R0;\,\,\,\,\,\,R0 < \,\, = R0 + R0 \cr & {{\rm I}_3}:A\,R2,\,R0;\,\,\,\,\,\,R2 < \,\, = R2 - R0 \cr} $$

Let each stage takes one clock cycle.
What is the number of clock cycles taken to complete the above sequence of instructions starting from the fetch of $${{\rm I}_1}?$$

A
$$8$$
B
$$10$$
C
$$12$$
D
$$15$$
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