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60.

61.

62.

63.

64.

A 5-bit binary counter has a maximum modulus of
A) 3 B) 8
C) 32 D) 16

Calculate the average CPI when a program with the instruction mix and the CPI
for each instruction type given below is executed on a uniprocessor.

Instruction Type CPI | [__ 17511001100 !10ೇ | Mix

Arithmetic and logic 60%

Load/store with cache hit 2
4

Memory reference with cache miss | 8 |
A) 2 B) 3
C) 3.5 D) 2.5

Calculate MIPS rate in case when a benchmark program results in the execution
of 2 million instructions on a 380-MHz processor with an average CPI of 2.5.

A) 120 B) 250

C) 152 D) 160

Calculate the effective CPI for the machine having clock rate of 200 MHz that
gives the following measurement for a set of benchmark programs.

Instruction

Instruction Type Count (millions)

Cycles Per Instruction

Arithmetic and logic

Load/store with cache hit |

Branch
Others
A) 1.22 B) 1.92
C) 5.24 D) 3.22

Consider a 32-bit microprocessor, with a 16-bit external data bus, driven by an 8-MHz
input clock. Assume that this microprocessor has a bus cycle whose minimum duration
equals four input clock cycles. What is the maximum data transfer rate across the
bus that this microprocessor can sustain, in bytes/s ?

A) 4 Mbytes/sec. B) 3 Mbytes/sec.

C) 2 Mbytes/sec. D) 1.5 Mbytes/sec.

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