25 + Interview Questions in Pipelining in Computer Architecture Page 1 InterviewSolution

1.	The software which governs the group of computers is __________(a) Driver Rd45(b) Interface UI(c) Clustering middleware(d) DistributorThis question was posed to me in final exam.This key question is from Clusters topic in division Pipelining of Computer Architecture
Answer» Right option is (c) CLUSTERING middleware Explanation: The software helps to PROJECT a SINGLE system image to the user.

Discussion

2.	The beowolf structure follows the __________ approach of a relationship between the systems.(a) Master-slave(b) Asynchronous(c) Synchronous(d) IsochronousThis question was addressed to me in final exam.This question is from Clusters topic in section Pipelining of Computer Architecture
Answer» Correct choice is (a) Master-slave To EXPLAIN I would SAY: NONE.

Discussion

3.	VLIW stands for?(a) Very Long Instruction Word(b) Very Long Instruction Width(c) Very Large Instruction Word(d) Very Long Instruction WidthI got this question during an internship interview.Query is from VLIW Architecture (I-64) topic in division Pipelining of Computer Architecture
Answer» Correct answer is (a) Very Long Instruction Word Best EXPLANATION: It is the ARCHITECTURE DESIGNED to perform multiple operations in parallel.

Discussion

4.	The stalling of the processor due to the unavailability of the instructions is called as ___________(a) Control hazard(b) structural hazard(c) Input hazard(d) None of the mentionedI got this question during a job interview.I would like to ask this question from Hazards of ProcessorArchitecture in section Pipelining of Computer Architecture
Answer» CORRECT answer is (a) Control HAZARD Best explanation: The control hazard also CALLED as INSTRUCTION hazard is usually caused by a cache MISS.

Discussion

5.	The set of loosely connected computers are called as __________(a) LAN(b) WAN(c) Workstation(d) ClusterI got this question during an online exam.This intriguing question originated from Clusters in section Pipelining of Computer Architecture
Answer» The CORRECT choice is (d) CLUSTER To explain I would say: In a computer cluster all the participating computers work together on a PARTICULAR TASK.

Discussion

6.	The simplest form of a cluster is __________ approach.(a) Beowolf(b) Sequoia(c) Stone(d) None of the mentionedI have been asked this question in homework.Enquiry is from Clusters in division Pipelining of Computer Architecture
Answer» RIGHT OPTION is (a) Beowolf The EXPLANATION is: NONE.

Discussion

7.	The algorithm followed in most of the systems to perform out of order execution is __________(a) Tomasulo algorithm(b) Score carding(c) Reader-writer algorithm(d) None of the mentionedThis question was addressed to me by my school principal while I was bunking the class.I'd like to ask this question from Hazards of ProcessorArchitecture in division Pipelining of Computer Architecture
Answer» The correct answer is (a) Tomasulo algorithm The explanation is: The Tomasulo algorithm is a hardware algorithm DEVELOPED in 1967 by Robert Tomasulo from IBM. It allows sequential instructions that would normally be STALLED due to certain dependencies to execute non-sequentially (out-of-order execution).

Discussion

8.	The most common modes of communication in clusters are ______(a) Message queues(b) Message passing interface(c) PVm(d) Both Message passing interface and PVmThis question was posed to me during a job interview.Question is from Clusters topic in division Pipelining of Computer Architecture
Answer» The correct OPTION is (d) Both MESSAGE passing interface and PVm Easiest EXPLANATION: None.

Discussion

9.	The important feature of the VLIW is _______(a) ILP(b) Cost effectiveness(c) Performance(d) None of the mentionedThis question was addressed to me at a job interview.My question is taken from VLIW Architecture (I-64) topic in section Pipelining of Computer Architecture
Answer» CORRECT CHOICE is (a) ILP Explanation: ILP stands for Instruction Level Parallelism.

Discussion

10.	____________ method is used in centralized systems to perform out of order execution.(a) Scorecard(b) Score boarding(c) Optimizing(d) RedundancyI had been asked this question by my college professor while I was bunking the class.Asked question is from Hazards of ProcessorArchitecture in division Pipelining of Computer Architecture
Answer» Correct ANSWER is (b) Score boarding Easy EXPLANATION: In a scoreboard, the data dependencies of every instruction are logged. INSTRUCTIONS are released only when the scoreboard DETERMINES that there are no conflicts with previously ISSUED and incomplete instructions.

Discussion

11.	Any condition that causes a processor to stall is called as _________(a) Hazard(b) Page fault(c) System error(d) None of the mentionedThe question was posed to me during an online interview.Origin of the question is Hazards of ProcessorArchitecture topic in chapter Pipelining of Computer Architecture
Answer» The correct CHOICE is (a) HAZARD Easy EXPLANATION: An hazard causes a delay in the EXECUTION process of the processor.

Discussion

12.	The pipeline bubbling is a method used to prevent data hazard and structural hazards.(a) True(b) FalseI have been asked this question during an internship interview.My question comes from Hazards of ProcessorArchitecture in portion Pipelining of Computer Architecture
Answer» Right answer is (a) True Explanation: The PERIODS of TIME when the UNIT is idle is called a Bubble.

Discussion

13.	Each computer in a cluster is connected using __________(a) UTP(b) Rj-45(c) STP(d) Coaxial cableThe question was posed to me during an interview.My question is from Clusters topic in portion Pipelining of Computer Architecture
Answer» CORRECT choice is (B) Rj-45 To elaborate: The COMPUTERS are connected to each other using a LAN connector cable.

Discussion

14.	The main difference between the VLIW and the other approaches to improve performance is ___________(a) Cost effectiveness(b) Increase in performance(c) Lack of complex hardware design(d) All of the mentionedI got this question during an internship interview.I need to ask this question from VLIW Architecture (I-64) topic in division Pipelining of Computer Architecture
Answer» Right option is (c) LACK of complex HARDWARE design Explanation: The Pipe-lining and super-scalar ARCHITECTURES involved the USAGE of complex hardware circuits for the IMPLEMENTATION.

Discussion

15.	The computer cluster architecture emerged as a result of _________(a) ISA(b) Workstation(c) Super computers(d) Distributed systemsI had been asked this question in an international level competition.Question is from Clusters topic in division Pipelining of Computer Architecture
Answer» Right choice is (d) DISTRIBUTED systems For EXPLANATION: A distributed system is a COMPUTER system spread out over a GEOGRAPHIC area.

Discussion

16.	The periods of time when the unit is idle is called as ________(a) Stalls(b) Bubbles(c) Hazards(d) Both Stalls and BubblesThis question was posed to me in unit test.The above asked question is from Hazards of ProcessorArchitecture in chapter Pipelining of Computer Architecture
Answer» RIGHT choice is (d) Both Stalls and Bubbles For EXPLANATION: The stalls are a type of HAZARDS that affect a pipe-lined SYSTEM.

Discussion

17.	In VLIW the decision for the order of execution of the instructions depends on the program itself.(a) True(b) FalseI got this question by my college director while I was bunking the class.My query is from VLIW Architecture (I-64) topic in division Pipelining of Computer Architecture
Answer» Right CHOICE is (a) True Explanation: In other words, the order of execution of INSTRUCTIONS has nothing to do with the PHYSICAL hardware IMPLEMENTATION of the system.

Discussion

18.	To compute the direction of the branch the VLIW uses _____________(a) Seekers(b) Heuristics(c) Direction counter(d) CompassI have been asked this question in examination.I would like to ask this question from VLIW Architecture (I-64) topic in section Pipelining of Computer Architecture
Answer» Correct OPTION is (b) Heuristics The BEST EXPLANATION: NONE.

Discussion

19.	The VLIW processors are much simpler as they do not require of _________(a) Computational register(b) Complex logic circuits(c) SSD slots(d) Scheduling hardwareThis question was addressed to me in semester exam.This key question is from VLIW Architecture (I-64) in portion Pipelining of Computer Architecture
Answer» Right choice is (d) SCHEDULING hardware Explanation: As the COMPILER only decides the SCHEDULE of EXECUTION the schedule is not REQUIRED here.

Discussion

20.	The time lost due to the branch instruction is often referred to as ____________(a) Latency(b) Delay(c) Branch penalty(d) None of the mentionedI have been asked this question in examination.I'm obligated to ask this question of Hazards of ProcessorArchitecture topic in portion Pipelining of Computer Architecture
Answer» Right option is (C) Branch penalty For EXPLANATION: This TIME ALSO retards the performance SPEED of the processor.

Discussion

21.	In the client server model of the cluster _________ approach is used.(a) Load configuration(b) FIFO(c) Bankers algorithm(d) Round robinThis question was posed to me by my school teacher while I was bunking the class.This intriguing question originated from Clusters in portion Pipelining of Computer Architecture
Answer» Right CHOICE is (d) ROUND robin Best explanation: By using this APPROACH the PERFORMANCE of the cluster can be enhanced.

Discussion

22.	The cluster formation in which the work is divided equally among the systems is ______(a) Load-configuration(b) Load-Division(c) Light head(d) Both Load-configuration and Load-DivisionI have been asked this question in a national level competition.My question is taken from Clusters topic in division Pipelining of Computer Architecture
Answer» Right ANSWER is (a) Load-configuration For explanation: This APPROACH the work GETS divided among the systems EQUALLY.

Discussion

23.	The parallel execution of operations in VLIW is done according to the schedule determined by __________(a) Task scheduler(b) Interpreter(c) Compiler(d) EncoderI had been asked this question in final exam.The origin of the question is VLIW Architecture (I-64) in chapter Pipelining of Computer Architecture
Answer» Correct option is (c) Compiler The EXPLANATION: The compiler first checks the code for INTERDEPENDENCIES and then determines the schedule for its EXECUTION.

Discussion

24.	The VLIW architecture follows _____ approach to achieve parallelism.(a) MISD(b) SISD(c) SIMD(d) MIMDI had been asked this question in quiz.This interesting question is from VLIW Architecture (I-64) topic in portion Pipelining of Computer Architecture
Answer» The CORRECT OPTION is (d) MIMD The explanation is: The MIMD STANDS for MULTIPLE Instructions Multiple Data.

Discussion

25.	The situation wherein the data of operands are not available is called ______(a) Data hazard(b) Stock(c) Deadlock(d) Structural hazardI had been asked this question in an online interview.The origin of the question is Hazards of ProcessorArchitecture topic in division Pipelining of Computer Architecture
Answer» The correct ANSWER is (a) Data hazard To EXPLAIN: Data HAZARDS are generally CAUSED when the data is not READY on the destination side.

Discussion

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The software which governs the group of computers is __________(a) Driver Rd45(b) Interface UI(c) Clustering middleware(d) DistributorThis question was posed to me in final exam.This key question is from Clusters topic in division Pipelining of Computer Architecture

The beowolf structure follows the __________ approach of a relationship between the systems.(a) Master-slave(b) Asynchronous(c) Synchronous(d) IsochronousThis question was addressed to me in final exam.This question is from Clusters topic in section Pipelining of Computer Architecture

VLIW stands for?(a) Very Long Instruction Word(b) Very Long Instruction Width(c) Very Large Instruction Word(d) Very Long Instruction WidthI got this question during an internship interview.Query is from VLIW Architecture (I-64) topic in division Pipelining of Computer Architecture

The set of loosely connected computers are called as __________(a) LAN(b) WAN(c) Workstation(d) ClusterI got this question during an online exam.This intriguing question originated from Clusters in section Pipelining of Computer Architecture

The simplest form of a cluster is __________ approach.(a) Beowolf(b) Sequoia(c) Stone(d) None of the mentionedI have been asked this question in homework.Enquiry is from Clusters in division Pipelining of Computer Architecture

The most common modes of communication in clusters are ______(a) Message queues(b) Message passing interface(c) PVm(d) Both Message passing interface and PVmThis question was posed to me during a job interview.Question is from Clusters topic in division Pipelining of Computer Architecture

The important feature of the VLIW is _______(a) ILP(b) Cost effectiveness(c) Performance(d) None of the mentionedThis question was addressed to me at a job interview.My question is taken from VLIW Architecture (I-64) topic in section Pipelining of Computer Architecture

The pipeline bubbling is a method used to prevent data hazard and structural hazards.(a) True(b) FalseI have been asked this question during an internship interview.My question comes from Hazards of ProcessorArchitecture in portion Pipelining of Computer Architecture

Each computer in a cluster is connected using __________(a) UTP(b) Rj-45(c) STP(d) Coaxial cableThe question was posed to me during an interview.My question is from Clusters topic in portion Pipelining of Computer Architecture

The computer cluster architecture emerged as a result of _________(a) ISA(b) Workstation(c) Super computers(d) Distributed systemsI had been asked this question in an international level competition.Question is from Clusters topic in division Pipelining of Computer Architecture

The periods of time when the unit is idle is called as ________(a) Stalls(b) Bubbles(c) Hazards(d) Both Stalls and BubblesThis question was posed to me in unit test.The above asked question is from Hazards of ProcessorArchitecture in chapter Pipelining of Computer Architecture

In VLIW the decision for the order of execution of the instructions depends on the program itself.(a) True(b) FalseI got this question by my college director while I was bunking the class.My query is from VLIW Architecture (I-64) topic in division Pipelining of Computer Architecture

To compute the direction of the branch the VLIW uses _____________(a) Seekers(b) Heuristics(c) Direction counter(d) CompassI have been asked this question in examination.I would like to ask this question from VLIW Architecture (I-64) topic in section Pipelining of Computer Architecture

The VLIW architecture follows _____ approach to achieve parallelism.(a) MISD(b) SISD(c) SIMD(d) MIMDI had been asked this question in quiz.This interesting question is from VLIW Architecture (I-64) topic in portion Pipelining of Computer Architecture