McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) .
| 251. |
What would happen if different organization were given same set of requirements? |
| A. | it will produce same architecture |
| B. | it will produce different architecture |
| C. | it may or may not produce same architecture |
| D. | none of the mentioned view answer |
| Answer» B. it will produce different architecture | |
| Explanation: it produces different architecture. | |
| 252. |
What factors does a software architecture results in? |
| A. | technical |
| B. | business |
| C. | social |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: software architecture results into all the factors. | |
| 253. |
What does Software architecture means? |
| A. | it is the structure or structure of systems |
| B. | it comprises of software components |
| C. | relationship among components |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: software architecture is a structure or structure of systems, which comprise software components, external visible properties of those components and relationship among them. | |
| 254. |
The architects are influenced by which of the following factors? |
| A. | customers and end users |
| B. | developing organization |
| C. | background and experience of the architects |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: all of the mentioned. | |
| 255. |
How do developing organizations influence by architects? |
| A. | immediate business |
| B. | long term business |
| C. | organization structure |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: all of the factors are influenced by developing organizations. | |
| 256. |
Which among the following are true with regards to the architecture business cycle? |
| A. | the architecture can affect the enterprise goals of the developing organizations |
| B. | the architecture affects the structure of developing organizations |
| C. | all of the mentioned |
| D. | none of the mentioned view answer |
| Answer» B. the architecture affects the structure of developing organizations | |
| Explanation: all of the mentioned are true with regards to the architecture business cycle. | |
| 257. |
Architecture based process includes which of the following? |
| A. | creating the business case for the system |
| B. | understanding the requirements |
| C. | analyzing or valuating the architecture |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: all of the mentioned are architecture based process. | |
| 258. |
Which of the following does a business case consists of? |
| A. | how much should a product cost? |
| B. | what help does architecture description language provides? |
| C. | what is domain analysis? |
| D. | non of the mentioned view answer |
| Answer» A. how much should a product cost? | |
| Explanation: business case include- how much a product cost? what is target market? what is target time to market? | |
| 259. |
What claim does Analyzing and evaluating architecture follow? |
| A. | adl’s provide valuable analytical capabilities but tend to concentrate on run-time properties of system |
| B. | maintainability is the main aspect |
| C. | maintainability has many facets |
| D. | all of the mentioned view answer |
| Answer» D. all of the mentioned view answer | |
| Explanation: architecture evaluation follows all the mentioned claim. | |
| 260. |
Round robin scheduling falls under the category of |
| A. | non-preemptive scheduling |
| B. | preemptive scheduling |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» B. preemptive scheduling | |
| Explanation: none. | |
| 261. |
With round robin scheduling algorithm in a time shared system |
| A. | using very large time slices converts it into first come first served scheduling algorithm |
| B. | using very small time slices converts it into first come first served scheduling algorithm |
| C. | using extremely small time slices increases performance |
| D. | using very small time slices converts it into shortest job first algorithm |
| Answer» A. using very large time slices converts it into first come first served scheduling algorithm | |
| Explanation: all the processes will be able to get completed. | |
| 262. |
The portion of the process scheduler in an operating system that dispatches processes is concerned with |
| A. | assigning ready processes to cpu |
| B. | assigning ready processes to waiting queue |
| C. | assigning running processes to blocked queue |
| D. | all of the mentioned |
| Answer» A. assigning ready processes to cpu | |
| Explanation: none. | |
| 263. |
Complex scheduling algorithms |
| A. | are very appropriate for very large computers |
| B. | use minimal resources |
| C. | use many resources |
| D. | all of the mentioned |
| Answer» A. are very appropriate for very large computers | |
| Explanation: large computers are overloaded with a greater number of processes. | |
| 264. |
What is FIFO algorithm? |
| A. | first executes the job that came in last in the queue |
| B. | first executes the job that came in first in the queue |
| C. | first executes the job that needs minimal processor |
| D. | first executes the job that has maximum processor needs |
| Answer» B. first executes the job that came in first in the queue | |
| Explanation: none. | |
| 265. |
The strategy of making processes that are logically runnable to be temporarily suspended is called |
| A. | non preemptive scheduling |
| B. | preemptive scheduling |
| C. | shortest job first |
| D. | first come first served |
| Answer» B. preemptive scheduling | |
| Explanation: none. | |
| 266. |
What is Scheduling? |
| A. | allowing a job to use the processor |
| B. | making proper use of processor |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» A. allowing a job to use the processor | |
| Explanation: none. | |
| 267. |
are scheduled with the Round-Robin time sharing method. Which out of the following quantum times is the best value for small response times, if the processes have a short runtime, e.g. less than 10ms? |
| A. | tq = 15ms |
| B. | tq = 40ms |
| C. | tq = 45ms |
| D. | tq = 50ms |
| Answer» A. tq = 15ms | |
| Explanation: none. | |
| 268. |
Orders are processed in the sequence they arrive if rule sequences the jobs. |
| A. | earliest due date |
| B. | slack time remaining |
| C. | first come, first served |
| D. | critical ratio |
| Answer» C. first come, first served | |
| Explanation: none. | |
| 269. |
Which of the following algorithms tends to minimize the process flow time? |
| A. | first come first served |
| B. | shortest job first |
| C. | earliest deadline first |
| D. | longest job first |
| Answer» B. shortest job first | |
| Explanation: none. | |
| 270. |
Under multiprogramming, turnaround time for short jobs is usually and that for long jobs is slightly |
| A. | lengthened; shortened |
| B. | shortened; lengthened |
| C. | shortened; shortened |
| D. | shortened; unchanged |
| Answer» B. shortened; lengthened | |
| Explanation: none. | |
| 271. |
ms of response time |
| A. | i only |
| B. | i and iii only |
| C. | ii and iii only |
| D. | i, ii and iii |
| Answer» D. i, ii and iii | |
| Explanation: i) shortest remaining time first scheduling is a preemptive version of shortest job scheduling. it may cause starvation as shorter processes may keep coming and a long cpu burst process never gets cpu. | |
| 272. |
What is the other name for a postfix expression? |
| A. | normal polish notation |
| B. | reverse polish notation |
| C. | warsaw notation |
| D. | infix notation |
| Answer» B. reverse polish notation | |
| Explanation: reverse polish notation is the other name for a postfix expression whereas polish notation, warsaw notation are the other names for a prefix expression. | |
| 273. |
Which of the following is an example for a postfix expression? |
| A. | a*b(c+d) |
| B. | abc*+de-+ |
| C. | +ab |
| D. | a+b-c |
| Answer» B. abc*+de-+ | |
| Explanation: abc*+de-+ is a postfix expression. +ab is a prefix expression and others are infix expressions. | |
| 274. |
What is the time complexity of evaluation of postfix expression algorithm? |
| A. | o (n) |
| B. | o (n log n) |
| C. | o (n2) |
| D. | o (m log n) |
| Answer» A. o (n) | |
| Explanation: the time complexity of evaluation of infix, prefix and postfix expressions is o (n). | |
| 275. |
Which of these operators have the highest order of precedence? |
| A. | ‘(‘ and ‘)’ |
| B. | ‘*’ and ‘/’ |
| C. | ‘~’ and ‘^’ |
| D. | ‘+’ and ‘-‘ |
| Answer» C. ‘~’ and ‘^’ | |
| Explanation: the highest order of precedence is ~ and ^ followed by ‘*’ ,’ /’, ‘+’ ,’-‘ and then braces ‘(‘ ‘)’. | |
| 276. |
Which of the following is not an application of stack? |
| A. | evaluation of postfix expression |
| B. | conversion of infix to postfix expression |
| C. | balancing symbols |
| D. | line at ticket counter |
| Answer» D. line at ticket counter | |
| Explanation: line at ticket counter is an application of queue whereas conversion of | |
| 277. |
While evaluating a postfix expression, when an operator is encountered, what is the correct operation to be performed? |
| A. | push it directly on to the stack |
| B. | pop 2 operands, evaluate them and push the result on to the stack |
| C. | pop the entire stack |
| D. | ignore the operator |
| Answer» B. pop 2 operands, evaluate them and push the result on to the stack | |
| Explanation: when an operator is encountered, the first two operands are popped from the stack, they are evaluated and the result is pushed into the stack. | |
| 278. |
Which of the following statement is incorrect? |
| A. | postfix operators use value to their right |
| B. | postfix operators use value to their left |
| C. | prefix operators use value to their right |
| D. | in postfix expression, operands are followed by operators |
| Answer» A. postfix operators use value to their right | |
| Explanation: all prefix operators use values to their right and all postfix operators use values to their left. | |
| 279. |
What is the result of the given postfix expression? abc*+ where a=1, b=2, c=3. |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» D. 7 | |
| Explanation: the infix expression is a+b*c. evaluating it, we get 1+2*3=7. | |
| 280. |
ab*cd*+ where a=2,b=2,c=3,d=4. |
| A. | 16 |
| B. | 12 |
| C. | 14 |
| D. | 10 |
| Answer» A. 16 | |
| Explanation: the infix expression is a*b+c*d. evaluating it, we get, 2*2+3*4=16. | |
| 281. |
At this point, ‘*’ is encountered. What has to be done? |
| A. | 5*4=20 is pushed into the stack |
| B. | * is pushed into the stack |
| C. | 2*3=6 is pushed into the stack |
| D. | * is ignored |
| Answer» A. 5*4=20 is pushed into the stack | |
| Explanation: when an operator is encountered, the first two operands of the stack are popped, evaluated and the result is pushed into the stack. | |
| 282. |
Evaluate the postfix expression ab + cd/- where a=5, b=4, c=9, d=3. |
| A. | 23 |
| B. | 15 |
| C. | 6 |
| D. | 10 |
| Answer» C. 6 | |
| Explanation: the infix expression is (a+b)-c/d. evaluating it, (5+4)-9/3 gives 6. | |
| 283. |
abc*+de*f+g*+ where a=1, b=2, c=3, d=4, e=5, f=6, g=2. |
| A. | 61 |
| B. | 59 |
| C. | 60 |
| D. | 55 |
| Answer» B. 59 | |
| Explanation: the infix expression is a+b*c+ (d*e+f)*g. evaluating it, 1+2*3+(4*5+6)*2 gives 59. | |
| 284. |
For the given expression tree, write the correct postfix expression. |
| A. | abc*+ |
| B. | abc+* |
| C. | ab+c* |
| D. | a+bc* |
| Answer» A. abc*+ | |
| Explanation: evaluating the given expression tree gives the infix expression a+b*c. converting it to postfix, we get, abc*+. | |
| 285. |
What makes a good architecture? |
| A. | the architecture may not be the product of a single architect or a small group |
| B. | the architect should have the technical requirements for the system and an articulated and prioritized list of qualitative properties |
| C. | the architecture may not be well documented |
| D. | all of the mentioned |
| Answer» B. the architect should have the technical requirements for the system and an articulated and prioritized list of qualitative properties | |
| Explanation: the architecture should be the product of a single architect or a small group, the architecture should be well documented. | |
| 286. |
What does a typical top level architecture consists of? |
| A. | prop loss model(mopd) |
| B. | reverb model(modr) |
| C. | control process |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: a typical top level architecture consists of all the mentioned components. | |
| 287. |
Which among the following are valid questions raised for the top level architectural model? |
| A. | what is the nature of components? |
| B. | what is the significance of the links? |
| C. | what is the significance of the layout? |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: all of the mentioned are the valid questions. | |
| 288. |
Which of the following are correct statements? |
| A. | an architecture may or may not defines components |
| B. | an architecture is not dependable on requirements |
| C. | an architecture is foremost an abstraction of a system that suppresses details of the components that do not affect how they are used |
| D. | all of the mentioned |
| Answer» C. an architecture is foremost an abstraction of a system that suppresses details of the components that do not affect how they are used | |
| Explanation: an architecture defines components, an architecture is dependable on requirements. | |
| 289. |
What does “Every software system has an architecture” implies? |
| A. | system itself is a component |
| B. | architecture an exist independently of its description or specification |
| C. | all the system to be stable should posses an architecture |
| D. | none of the mentioned |
| Answer» C. all the system to be stable should posses an architecture | |
| Explanation: all the system to be stable should posses an architecture, a system without architecture is unstable hence every software system has an architecture. | |
| 290. |
What is architectural style? |
| A. | architectural style is a description of component types |
| B. | it is a pattern of run-time control |
| C. | it is set of constraints on architecture |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: an architectural style is a description of component types and pattern of run-time control, it is set of constraints on architecture. | |
| 291. |
What is a Reference Model? |
| A. | it is a division of functionality together with data flow between the pieces |
| B. | it is a description of component types |
| C. | it is standard decomposition of a known problem into parts that cooperatively solve a problem |
| D. | it is a division of functionality together with data flow between the pieces, it is standard decomposition of a known problem into parts that cooperatively solve a problem |
| Answer» D. it is a division of functionality together with data flow between the pieces, it is standard decomposition of a known problem into parts that cooperatively solve a problem | |
| Explanation: a reference model is division of functionality together with data flow between the pieces and standard decomposition of a known problem into parts that cooperatively solve a problem. | |
| 292. |
What is Reference architecture? |
| A. | it is a reference model mapped onto software components |
| B. | it provided data flow with comments |
| C. | it provides data flow with pieces |
| D. | it is a reference model mapped onto software components & data flow with comments |
| Answer» D. it is a reference model mapped onto software components & data flow with comments | |
| Explanation: reference architecture is a reference model mapped onto software components and data flow with components. | |
| 293. |
Which of the following is incorrect for Reference model, architectural styles and reference architecture? |
| A. | they are not architectures |
| B. | they are useful steps towards an architecture |
| C. | they are set of early design decisions |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| Explanation: all of the mentioned are correct. | |
| 294. |
Which of the following can be considered regarding client and server? |
| A. | client and server is an architectural style |
| B. | client and server may be considered as an architectural style |
| C. | client and server is not an architectural style |
| D. | none of the mentioned |
| Answer» A. client and server is an architectural style | |
| Explanation: client and server is an architectural style. | |
| 295. |
Which of the statements truly concludes client and server relation with architectural styles? |
| A. | they are component types and their coordination is described in terms of protocols that server uses to communicate with each of its clients |
| B. | multiple client cannot exist at an instance |
| C. | architecture are countless for client and server but their architectural styles are different |
| D. | all of the mentioned |
| Answer» A. they are component types and their coordination is described in terms of protocols that server uses to communicate with each of its clients | |
| Explanation: multiple client can exist at an instance and architectural styles are countless for client and server but their architectures are different. | |
| 296. |
Which of the following is incorrect? |
| A. | a reference model divides the functionality |
| B. | a reference architecture is the mapping of that functionality onto system decomposition |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| Explanation: all of the mentioned are correct. | |
| 297. |
What truly describes the reference architecture decomposition? |
| A. | a reference architecture is the mapping of that functionality onto system decomposition may be one to one |
| B. | a reference architecture is the mapping of that functionality onto system decomposition is many to one |
| C. | a reference architecture is the mapping of that functionality onto system decomposition is many to many |
| D. | none of the mentioned |
| Answer» A. a reference architecture is the mapping of that functionality onto system decomposition may be one to one | |
| Explanation: a reference architecture is the mapping of that functionality onto system decomposition may be one to one. | |
| 298. |
Which of the following is true? |
| A. | architecture is low level design |
| B. | architecture is mid level design |
| C. | architecture is high level design |
| D. | none of the mentioned |
| Answer» C. architecture is high level design | |
| Explanation: architecture is high level design. | |
| 299. |
What is Architecture? |
| A. | architecture is components |
| B. | architecture is connectors |
| C. | architecture is constraints |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: architecture is components,connectors and constraints. | |
| 300. |
Mahout provides libraries for common and primitive Java collections. |
| A. | java |
| B. | javascript |
| C. | perl |
| D. | python |
| Answer» A. java | |
| Explanation: maths operations are focused on linear algebra and statistics. | |
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