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Assume that we test the performance of two processors, P1 and P2, on a program. We find the following about each: Processor P1 has a CPI of 2 and executes 2 billion instructions per second. Processor P2 has a CPI of 1 and executes 8 billion instructions per second. Which processor has higher performance on this program? (Recall that CPI stands for Cycles Per Instruction.)
Three concurrent processes X, Y, and Z execute three different code segments that access and update certain shared variables. Process X executes the P operation (i.e., wait) on semaphores a, b and c; process Y executes the P operation on semaphores b, c and d; process Z executes the P operation on semaphores c, d, and a before entering the respective code segments. After completing the execution of its code segment, each process invokes the V operation (i.e., signal) on its three semaphores. All semaphores are binary semaphores initialized to one. Which one of the following represents a deadlock-free order of invoking the P operations by the processes?
Point out the correct statement. * executes a Hive query and prints results to standard output b) executes a Hive query and prints results to standard output c) executes a Hive query and prints results to standard output d) All of the mentioned
Consider the following code sequence having five instructions I1 to I5. Each of these instructions has the following format. OP Ri, Rj, Rk Where operation OP is performed on contents of registers Rj and Rk and the result is stored in register Ri I1: ADD R1, R2, R3 I2: MUL R7, R1, R3 I3: SUB R4, R1, R5 I4: ADD R3, R2, R4 I5: MUL R7, R8, R9 Consider the following three statements. S1: There is an anti-dependence between instructions I2 and I5 S2: There is an anti-dependence between instructions I2 and I4 S3: Within an instruction pipeline an anti-dependence always creates one or more stalls Which one of the above statements is/are correct?
In a company there are 252 engineers, in which the ratio of the number of electronics engineers and computer engineers is 2 ∶ 1. The ratio of the number of electronics engineers and computer engineers becomes 1 ∶ 1 after recruitment of some more computer engineers. The average age of all the engineers is now 22 years and the average age of the computer engineers is 2 years less than the average age of electronics engineers. (A) The average age (in years) of electronics engineers is 21 (B) The average age (in years) of computer engineers is 21 (C) The average age (in years) of electronics engineers is 23 (D) The average age (in years) of electronics engineers is 25 (E) The average age (in years) of computer engineers is 23 Choose the correct answer from the options given below: 
Which part interprets program instructions and initiate control operations.
In the following question, the first and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/passage is split into four parts and named P, Q, R, S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. S1. The modern-day computer has become an important part of our daily life. P. The mobile phone is also a type of computer because it fulfills all the criteria of being a computer. Q. Also, they are used in many fields like agriculture, designing, machinery making, defense, and many more. R. The computer is categorized into many different types like supercomputers, mainframes, personal computers (desktop), PDAs, laptops, etc. S. Nowadays, they use computers in every office whether private or government. S6. As the usage of computers increased it became a necessity for almost every field to use computers for their operations. 
Which of the following parts interprets program instructions and initiates control operations?
The section of the CPU that selects, interprets and sees to the execution of program instructions
The instruction given to a computer system is loaded into the Instruction Register. The processor interprets the instruction and performs the required action. In general, these actions fall into four categories. Which of the following actions is not a part of these four categories?