Computer Networks Answers

Give four reasons that account for the use of I/O modules instead of

connecting peripherals directly into system bus

AziTech is considering the design of a new CPU for its new model of computer systems for

2021. It is considering choosing between two (2) CPU (CPUA and CPUB) implementations

based on their performance. Both CPU are expected to have the same instruction set

architecture. CPUA has a clock cycle time of 60 ns and CPUB has a clock cycle time of 75

ns. The same number of a particular instruction type is expected to be executed on both CPUs

in order to determine which CPU would executes more instructions. CPUA is able to execute

2MB of instructions in 5*106 clock cycles. CPUB executes the same number of instructions in

3*106 clock cycles.

AziTech is considering the design of a new CPU for its new model of computer systems for 2021. It is considering choosing between two (2) CPU (CPUA and CPUB) implementations based on their performance. Both CPU are expected to have the same instruction set architecture. CPUA has a clock cycle time of 60 ns and CPUB has a clock cycle time of 75 ns. The same number of a particular instruction type is expected to be executed on both CPUs in order to determine which CPU would executes more instructions. CPUA is able to execute 2MB of instructions in 5*106 clock cycles. CPUB executes the same number of instructions in 3*106 clock cycles.

a) Using the MIPS performance metric, which of the two (2) CPU should be selected to

be implemented in the new computer system. Justify your choice.

b) Compute the execution time for both CPUs. Which CPU is faster?

Given the function F(w,x,y,z)=Σ(1,3,7,11,15)+dc(0,2,5,8)

i. Write the function in conjunctive normal form

ii. Minimize the function (DNF) using Karnaugh Map

iii. Construct the logic circuit diagram for the minimized function.

Compute - ABE-DF4 using 15’s complement all to the base 16

How 7AED would be stored using UTF-8 encoding in binary

Explain the circumstances that would motivate the use of hexadecimal number systems in modern computation

What is the importance of number systems on the modern computing

Explain the significance of number system on modern computing

Compute the value of 6758-4458 using 7’s complement