EE273 Class Quiz

Question 1

0x12345678 in little Endian equals?

Accepted Answer

0x78, 0x56, 0x34, 0x12,

Question 2

clock 2GHz, 1 billion instructions, each takes 2 cycles. What is the execution time?

Accepted Answer

0.5 seconds

Question 3

Instruction length 32 bits, 5 stages, addressing mode is register-register. Architecture most likely to be?

Accepted Answer

RISC

Question 4

Equivalent of signed number 1101?

Accepted Answer

None of the above

Question 5

If binary addition result is 10101110. What happens to carry and zero flag?

Accepted Answer

N=1, Z=0

Question 6

RISC advantage over CISC?

Accepted Answer

efficient pipelining

Question 7

A: 1000 instructions with 2 CPI; B: 500 instructs with 4 CPI; C: 300 instructs with 3 CPI; 2 GHz clock; execution time?

Accepted Answer

2.35 microseconds

Question 8

clock of 3.2 GHz, 10 instructions, each taking 5 cycles, execution time?

Accepted Answer

50 cycles

Question 9

Harvard architecture attribute?

Accepted Answer

allows pipelining

Question 10

Harvard architecture separate buses are for what purpose?

Accepted Answer

accessing code and data memory simultaneously

Question 11

1 million instructions, 4 cycles exist, clock 250 MHz, time for 10 million instrucitons?

Accepted Answer

80 seconds

Question 12

decimal equivalent of this negative binary number 11101001?

Accepted Answer

-23

Question 13

Maximum elements that can be stored in a stack?

Accepted Answer

N

Question 14

Main advantage of Harvard architecture?

Accepted Answer

faster execution speed

Questions 14