5 - chapter 5 PDF

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chapter 5...

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Test 5

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The most common error associated with loops is a(n) ________ error. a. syntax b. infinite loop c. off-by-one d. bounds  Which of the following is the syntax for using the eof function? a. istream.eof() b. eof().istreamVar c. istreamVar.eof() d. istreamVar().eof  In a for structure, the ________ statement is executed after the continue statement, and before the loop condition executes. a. repeat b. break c. update d. end  The function time is defined in the header file ________ . a. cstdlib b. iomanip c. cmath d. ctime  A semicolon at the end of a for statement ________ the for loop. a. terminates b. repeats c. resets d. executes  The function rand() is defined in the header file ________ . a. iostream b. cstdlib c. iomanip d. cmath  In the statement, while (cin), the variable cin acts as the ________ . a. sentinel

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b. counter c. index d. loop control variable  The primary purpose of the ________ loop is to simplify the writing of counter-controlled loops. a. sentinel b. for c. nested d. do-while  The ________ statement is an effective way to avoid extra variables to control a loop and produce elegant code. a. skip b. break c. continue d. switch  When the ________ statement executes in a repetition structure, it immediately exits from the structure. a. break b. continue c. exit d. do  The ________ loop is a pretest loop. a. do...while b. while c. indexed d. switch  A ________ is a special value that marks the end of the input data. a. sentinel b. constant c. trigger d. switch  When the ________ statement executes in a repetition structure, it skips the remaining statements in the loop and proceeds with the next iteration of the loop. a. break b. continue c. exit d. do

 Which of the following is a Fibonacci sequence? a. 1,2,4,8,16,32 b. 1,1,2,3,5,8 c. 1,1,2,3,5,8 14.

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0,1,0,2,0,1 d. 0,1,2,4,16,25  Which of the following statements is TRUE? a. If the loop condition in a for loop is initially false, the loop body does not execute. b. A for loop executes indefinitely if the loop condition is always false. c. In a for statement, if the loop condition is omitted, it is assumed to be false. d. C++ does not allow you to use fractional values for loop control variables that are real numbers.  The ________ loop is a posttest loop. a. do...while b. while c. indexed d. for  Putting one control structure inside another is called ________ . a. indexing b. looping c. nesting d. sequencing  The C++ eof function is a member of the data type ________ . a. file b. istream c. cstdlib d. iomanip  Which of the following is the general form of the do...while statement? a. do statement while (expression); b. do while statement (expression); c. do expression while (statement); d. do (statement); while expression  When a program reads past the end of the input file, the expression ________ becomes false. a. eof.infile() b. infile.!eof

c. infile(eof) d. !infile.eof() ...