sssssssssss please answer these questions. only answers are needed
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Question 39 Not yet answered Marked out of 3.00 Flag question 5 10 A CPU can execute 10 instructions per second, the main memory-access speed is around 10° nanoseconds, and the register-access speed is around 2 nanoseconds. On average, 70% of the time, CPU needs to fetch instructions from the main memory, and 30% of the time, CPU needs to fetch instructions from the register. How many instructions can this CPU execute per second approximately? -9 Note that 1 nanosecond = 10 second. Choose the value that is closest to the answer. Select one: 10 A. 1 x 10 B. 1 x 108 C. 1 x 10 D. None of these answers E. 1 x 104
Question 38 Not yet answered Marked out of 3.00 p Flag question The following figure shows a circuit with an ideal transformer, which has a turn's ratio of 2:1. The primary side of the transformer is connected with a voltage source Vs, while the secondary side of the transformer comprises a resistor R2. The currents i, and i, are marked in the circuit. Given that vs + 6 cos(1006) V, and R2 = 6 N. What is the value of i, at t= 6.667 ms? = 8 2:1 IR Choose the value that is the closest to the answer. Select one: A. -0.25 A B.O A O O O O C. 0.75 A D. -0.5 A E. 1.75 A
Question 36 Not yet answered Marked out of 2.00 Flag question Which of the logic function does the following logic gate implement (A and B are inputs and X is the output)? C 5V vec .X A. HO GND Select one: A. OR B. XOR C. NAND D. None of these answers E. NOR
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