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Engenheiro De Software Interview Questions

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Engenheiro De Software Interview Questions

Engenheiros de software criam programas para desenvolver softwares de computador. As entrevistas são altamente técnicas. Portanto, prepare-se para resolver problemas de codificação e de matemática. As perguntas específicas que são feitas dependem do tipo de programação exigido na vaga. Pesquise sobre uma área específica de software, como desenvolvimento web, desenvolvimento de aplicativos ou desenvolvimento de sistemas.

Principais perguntas de entrevista para engenheiro(a) de software e como respondê-las

Question 1

Pergunta 1: Como você descreve seu processo de programação?

How to answer
Como responder: Ao responder a perguntas relacionadas ao seu processo ou ciclo de desenvolvimento e engenharia de software, considere todas as etapas, começando pela obtenção dos requisitos para o produto final. Inclua o máximo de detalhes possível para ajudar os entrevistadores a entender seu trabalho como engenheiro(a) de software e como você mostra sua capacidade de trabalhar em projetos do início ao fim.
Question 2

Pergunta 2: Quais linguagens de programação você conhece e prefere?

How to answer
Como responder: Os entrevistadores querem saber com quais linguagens de programação você tem familiaridade e quais prefere. Essa pergunta não tem, necessariamente, resposta certa ou errada, mas fornece insights das suas capacidades e do seu conhecimento de codificação. Se a vaga for voltada para uma linguagem específica, inclua-a ao falar sobre as linguagens que você conhece.
Question 3

Pergunta 3: Dê um exemplo de um projeto bem-sucedido que você tenha concluído.

How to answer
Como responder: Ao descrever seu sucesso em um projeto, identifique aspectos que deram certo e detalhe os diferentes elementos da lista de tarefas. Você pode descrever a equipe com a qual trabalhou no projeto, como você gerenciou seu tempo e como contribuiu para o projeto.

420,530 engenheiro de software interview questions shared by candidates

Had 30 minutes to do this quiz. 1.Which of the following decimal numbers has an exact representation in binary notation? (Zero or more may be correct.) A. 0.1 B. 0.2 C. 0.3 D. 0.4 E. 0.5 F. None of the above. 2 .Bob writes down a number between 1 and 1000. Mary must determine that number by asking "yes/no" questions of Bob. Mary knows that Bob always tells the truth. If Mary uses an optimal strategy, then she will determine the answer at the end of exactly how many questions in the worst case? A. 1,000 B. 999 C. 500 D. 32 E. 10 3. Consider a singly linked list of the form cid:image001.gif@01CEF279.4C2C0140 where F is a pointer to the first element in the list and L is a pointer to the last element in the list. The time of which of the following operations depends on the length of the list? (Exactly one answer is correct.) A. Delete the last element of the list. B. Delete the first element of the list. C. Add an element after the last element of the list. D. Add an element before the first element of the list. E. Interchange the first two elements of the list. 4. p = 1; k = 0; while( k < n ) { p = 2 * p; k = k + 1; } For the program fragment above, which of the following is a loop invariant; i.e., true at the beginning of each execution of the loop and at the completion of the loop? A. p = k + 1 B. p = (k + 1)2 C. p = (k + 1)2k D. p = 2k E. p = 2k+1 5. A particular BNF definition for a "word" is given by the following rules. <word> ::= <letter> | <letter><pairlet> | <letter><pairdig> <pairlet> ::= <letter><letter> | <pairlet><letter><letter> <pairdig> ::= <digit><digit> | <pairdig><digit><digit> <letter> ::= a|b|c|...|y|z <digit> ::= 0|1|2|...|9 Which of the following lexical entities can be derived from <word>? (Zero or more answers may be correct.) A. word B. words C. c22 D. 42 E. None of the above. 6. If the variables below are properly initialized, and if i remains within array bounds, then the code below implements the stack operations Push and Pop. Note that the stack is held in an array S[1..N] indexed by the variable i. Push: begin S[i] := x; i :=i + 1 end Pop: begin i:=i - 1; x:= S[i] end Which of the following statements correctly initializes i for this implementation of a stack? A. i := N B. i := N-1 C. i := 1 D. i := 0 E. i := N/2 7. Consider a virtual memory with M resident pages and a page reference sequence p1, p2, . . ., pN of N distinct requests. Assume that physical memory is initially filled with unrelated pages, N = 2M, and a FIFO page replacement algorithm is used. If the access pattern is p1, p2, . . ., pN repeated three times, then the number of page faults is A. N/2 B. N C. N + 3 D. 2N E. 3N 8. Consider the following subroutine. int Func( int n ) { if( n == 4 ) return 2; else return 2 * Func( n + 1 ); } What value is returned by the subroutine call Func(2) ? A. 2 B. 4 C. 8 D. 16 E. 24 9. Consider a queue between the two processes indicated below. N is the capacity (maximum length) of the queue; e, f, and b are semaphores. "P" refers to the operation of acquiring (decrementing) a semaphore, and "V" refers to the operation of releasing (incrementing) a semaphore. init() { e = N; f = 0; b = 1; queue = EMPTY; } process1() { for(;;) { P(e); P(b); queue.enqueue(...); V(b); V(f); } } process2() { for(;;) { P(f); P(b); ... = queue.dequeue(); V(b); V(e); } } Which of the following statements is (are) true? (Zero or more may be correct.) A. The purpose of semaphore f is to ensure that dequeue is not executed on an empty queue. B. The purpose of semaphore e is to ensure that deadlock does not occur. C. The purpose of semaphore b is to provide mutual exclusion for queue operations. D. None of the above. 10. If V is a vector with n items and subroutine Exchange swaps its arguments, then the following code fragment sorts V in descending order. for( j = 0; j < n - 1; j++ ) for( k = 0; k < n - j - 1; k++ ) if( V[k] < V[k+1] ) Exchange( V[k], V[k+1] ); How many calls to Exchange are made if initially, V[i]=i, for i = 0, 1, 2, ..., n - 1 ? A.n-1 B. n C. n(n-1)/2 D.(n-1)(n-2) E. n(n-1)

Software Engineer

Interviewed at Glimmerglass Networks

3.2★
Mar 3, 2014

Had 30 minutes to do this quiz. 1.Which of the following decimal numbers has an exact representation in binary notation? (Zero or more may be correct.) A. 0.1 B. 0.2 C. 0.3 D. 0.4 E. 0.5 F. None of the above. 2 .Bob writes down a number between 1 and 1000. Mary must determine that number by asking "yes/no" questions of Bob. Mary knows that Bob always tells the truth. If Mary uses an optimal strategy, then she will determine the answer at the end of exactly how many questions in the worst case? A. 1,000 B. 999 C. 500 D. 32 E. 10 3. Consider a singly linked list of the form cid:image001.gif@01CEF279.4C2C0140 where F is a pointer to the first element in the list and L is a pointer to the last element in the list. The time of which of the following operations depends on the length of the list? (Exactly one answer is correct.) A. Delete the last element of the list. B. Delete the first element of the list. C. Add an element after the last element of the list. D. Add an element before the first element of the list. E. Interchange the first two elements of the list. 4. p = 1; k = 0; while( k < n ) { p = 2 * p; k = k + 1; } For the program fragment above, which of the following is a loop invariant; i.e., true at the beginning of each execution of the loop and at the completion of the loop? A. p = k + 1 B. p = (k + 1)2 C. p = (k + 1)2k D. p = 2k E. p = 2k+1 5. A particular BNF definition for a "word" is given by the following rules. <word> ::= <letter> | <letter><pairlet> | <letter><pairdig> <pairlet> ::= <letter><letter> | <pairlet><letter><letter> <pairdig> ::= <digit><digit> | <pairdig><digit><digit> <letter> ::= a|b|c|...|y|z <digit> ::= 0|1|2|...|9 Which of the following lexical entities can be derived from <word>? (Zero or more answers may be correct.) A. word B. words C. c22 D. 42 E. None of the above. 6. If the variables below are properly initialized, and if i remains within array bounds, then the code below implements the stack operations Push and Pop. Note that the stack is held in an array S[1..N] indexed by the variable i. Push: begin S[i] := x; i :=i + 1 end Pop: begin i:=i - 1; x:= S[i] end Which of the following statements correctly initializes i for this implementation of a stack? A. i := N B. i := N-1 C. i := 1 D. i := 0 E. i := N/2 7. Consider a virtual memory with M resident pages and a page reference sequence p1, p2, . . ., pN of N distinct requests. Assume that physical memory is initially filled with unrelated pages, N = 2M, and a FIFO page replacement algorithm is used. If the access pattern is p1, p2, . . ., pN repeated three times, then the number of page faults is A. N/2 B. N C. N + 3 D. 2N E. 3N 8. Consider the following subroutine. int Func( int n ) { if( n == 4 ) return 2; else return 2 * Func( n + 1 ); } What value is returned by the subroutine call Func(2) ? A. 2 B. 4 C. 8 D. 16 E. 24 9. Consider a queue between the two processes indicated below. N is the capacity (maximum length) of the queue; e, f, and b are semaphores. "P" refers to the operation of acquiring (decrementing) a semaphore, and "V" refers to the operation of releasing (incrementing) a semaphore. init() { e = N; f = 0; b = 1; queue = EMPTY; } process1() { for(;;) { P(e); P(b); queue.enqueue(...); V(b); V(f); } } process2() { for(;;) { P(f); P(b); ... = queue.dequeue(); V(b); V(e); } } Which of the following statements is (are) true? (Zero or more may be correct.) A. The purpose of semaphore f is to ensure that dequeue is not executed on an empty queue. B. The purpose of semaphore e is to ensure that deadlock does not occur. C. The purpose of semaphore b is to provide mutual exclusion for queue operations. D. None of the above. 10. If V is a vector with n items and subroutine Exchange swaps its arguments, then the following code fragment sorts V in descending order. for( j = 0; j < n - 1; j++ ) for( k = 0; k < n - j - 1; k++ ) if( V[k] < V[k+1] ) Exchange( V[k], V[k+1] ); How many calls to Exchange are made if initially, V[i]=i, for i = 0, 1, 2, ..., n - 1 ? A.n-1 B. n C. n(n-1)/2 D.(n-1)(n-2) E. n(n-1)

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