Consider a CPU that operates at 1.5 GHz. What's the equivalent of 1.5GHz in MHz? Question 9Select one: a. 15 b. 150 c. 1500 d. 15000
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The accompanying table shows the relationship between the speed of a computer's CPU and its benefits and costs. Assume that all other features of the computer are the same (that is, CPU speed is the only source of variation), and only the CPU speeds listed in the table are available for purchase. CPU GHz Total Benefit Marginal Benefit Total Cost Marginal Costs 2.0 $ 1,000 $ 900 2.5 $ 1,400 $ 100 3.0 $ 300 $ 1,200 3.5 $ 1,900 $ 1,500 4.0 $ 2,000 $ 400 The total cost of a 2.5GHz computer is Select one: a. $100. b. $200. c. $1,000. d. $900.
Aparna S.
Processor Speeds The processor speed, in megahertz, of Intel processors could be approximated by the following function of time $t$ in years since the start of $1995:^{8}$ $$ P(t)=\left\{\begin{array}{ll} 75 t+200 & \text { if } 0 \leq t \leq 4 \\ 600 t-1900 & \text { if } 4<t \leq 9 \end{array}\right. $$ a. Evaluate $P(0), P(4)$, and $P(5)$ and interpret the results. b. Sketch the graph of $P$ and use your graph to estimate when processor speeds first reached $2.0$ gigahertz (1 gigahertz $=1,000$ megahertz). c. T Use technology to generate a table of values for $P(t)$ with $t=0,1, \ldots, 9$.
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4. If the period of a clock signal is 500 ns, the frequency is? a. 20 MHz b. 200 MHz c. 2 MHz d. 20 GHz
Adi S.
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