Comparative Programming Languages Review Quiz Attempt Review

Question 1 Not answered Marked out of 1.00 True/False: Algol has influenced programming language design more than any other single programming language? Select one: True False The correct answer is 'True'. Question 2 Not answered Marked out of 1.00 Which of the following is a characteristic of a non-imperative programming language. Select one: a. Based upon assignment and state b. Programmer determines the steps of computing c. Suffers from side effects d. Is Referentially Transparent The correct answer is: Is Referentially Transparent Question 3 Not answered Marked out of 1.00 True/False: The benefit of the C language was that it was high level and ensured that the user had no access to the lower level capabilities of assembly language eliminating the potential for many programming bugs. Select one: True False The correct answer is 'False'. Question 4 Not answered Marked out of 1.00 True/False: The Turing-Church Thesis states that any computing problem that cannot be solved with a Turning machine can be solved with Lambda Calculus. Select one: True False The correct answer is 'False'. Question 5 Not answered Marked out of 1.00 Pascal was developed by which of the following: Select one: a. Niklaus Wirth b. Grace Hopper c. John Backus d. John von Neumann The correct answer is: Niklaus Wirth Question 6 Not answered Marked out of 1.00 True/False:A computer architecture that stores program instructions on an external device such as a tape or drum and not in memory is consistent with thevon Neumann architecture? Select one: True False The correct answer is 'False'. Question 7 Not answered Marked out of 1.00 True/False: non-imperative languages are referentially transparent which means that a particular state is not required for successful and consistent computation. Select one: True False The correct answer is 'True'. Question 8 Not answered Marked out of 1.00 True/False: A bus with less bits has an advantage because it operates faster and can move more data. Select one: True False The correct answer is 'False'. Question 9 Not answered Marked out of 1.00 Which of the following is NOT an example of an imperative programming language? Select one: a. Cobol b. Java c. Prolog d. Fortran The correct answer is: Prolog Question 10 Not answered Marked out of 1.00 Which of the following is an example of a imperative programming language. Select one: a. Standard ML b. Haskell c. Prolog d. Algol The correct answer is: Algol Question 11 Not answered Marked out of 1.00 Which of the following programming languages is an example of a programming language with strong type checking. Select one: a. Java b. Perl c. PHP d. Shell script The correct answer is: Java Question 12 Not answered Marked out of 1.00 True/False: The EBNF (or Extended BNF) approach to grammar specification was a rewrite of the original BNF developed by John Backus designed to 'normalize' grammar specification? Select one: True False The correct answer is 'False'. Question 13 Not answered Marked out of 1.00 True/False: Lexicalanalysis is the step in the compilation process where tokens are extracted from the programming language statements. Select one: True False The correct answer is 'True'. Question 14 Not answered Marked out of 1.00 Consider the following grammar, which of the following is a non-terminal symbol? statement: whileStatement | ifStatement | ‘{’ statementSequence ‘}’ whileStatement: ‘while’ ‘(‘ expression ‘)’ statement ifStatement: 'if' '(' expression ')' statement statementSequence: | statement ‘;’ statementSequence expression: Select one: a. ( b. if c. while d. statement The correct answer is: statement Question 15 Not answered Marked out of 1.00 Which of the following is an example of a dynamic typed programming language? Select one: a. Perl b. C c. Pascal d. Java The correct answer is: Perl Question 16 Not answered Marked out of 1.00 Which of the following is NOT an elementary data type. Select one: a. integer b. boolean c. character d. string The correct answer is: string Question 17 Not answered Marked out of 1.00 True/False: Arrays are limited to having either one or two dimensions. Select one: True False The correct answer is 'False'. Question 18 Not answered Marked out of 1.00 Which of the following is NOT a component required to express a floating point number in binary using scientific notation. Select one: a. Mantissa b. Sign c. Exponent d. fixed-point The correct answer is: fixed-point Question 19 Not answered Marked out of 1.00 True/False: The following operation in binary will generate the 2's complement binary equivalent of 128? 01111111 + 00000001 Select one: True False The correct answer is 'False'. Question 20 Not answered Marked out of 1.00 The RECORD type is implemented in different ways in programming languages. Which option best describes the record implementation in 'C'. Select one: a. struct b. field c. component d. member The correct answer is: struct Question 21 Not answered Marked out of 1.00 What will the output of the following code be? c=1; switch (c) {  case 1:  print '1';  case 2:  print '2';  break; case 3:  print '3';  break; } Select one: a. 1 2 3 b. 1 c. 12 d. 2 3 The correct answer is: 1 2 Question 22 Not answered Marked out of 1.00 The ___ statement implements a pre-test loop that is used when the number of iterations is NOT known. Answer:  The correct answer is: while Question 23 Not answered Marked out of 1.00 Consider the following code segment if (n != 0 && n / n > 1000)  statement1; else  statement2; if n is of type int and has a value of 0 when the segment is executed, what will happen? Select one: a. Neither statement1 nor statement2 will be executed; control will pass to the first statement following the if statement b. A syntax error will occur c. statement1, but not statement2, will be executed d. statement2, but not statement1 will be executed The correct answer is: statement2, but not statement1 will be executed Question 24 Not answered Marked out of 1.00 True/False: The real disadvantage of call-by-reference is that the mechanism is inherently unsafe. Select one: True False The correct answer is 'True'. Question 25 Not answered Marked out of 1.00 True/Flase: For complex computations functions may be specified to return multiple values. Select one: True False The correct answer is 'False'. Question 26 Not answered Marked out of 1.00 True/False: JavaScript was derived from the Java language. Select one: True False The correct answer is 'False'. Question 27 Not answered Marked out of 1.00 Which of the following regex expressions would match the following: MyDogIs12 Select one: a. {a-z}{A-Z}{0-9} b. [a-zA-Z] c. [a-z0-9] d. [a-zA-Z0-9] The correct answer is: [a-zA-Z0-9] Question 28 Not answered Marked out of 1.00 What will the following regular expresssion match to?  ([\w]+[-._+&])*[\w]+@([-\w]+[.])+[a-zA-Z]{2,6} Select one: a. A strong password b. A phone number field c. An email address d. The URL of a web site The correct answer is: An email address Question 29 Not answered Marked out of 1.00 What elements will the Perl language @a array consist of? $_ = ' a b c '; my @a = split(); Select one: a. ' ', 'a', ' ', 'b', ' ', 'c', ' ' b. undef, 'a', 'b', 'c', undef c. 'a', 'b', 'c' d. ' ', 'a', 'b', 'c' The correct answer is: 'a', 'b', 'c' Question 30 Not answered Marked out of 1.00 True/False: The basic regular expression is pattern matching? Select one: True False The correct answer is 'True'. Question 31 Not answered Marked out of 1.00 True/False: The ability of the compiler to select, at compile time, the most appropriate data type or method to use based upon data type is known as dynamic polymorphism? Select one: True False The correct answer is 'False'. Question 32 Not answered Marked out of 1.00 True/False:Garbage collection is the process of ‘deconstructing’ objects to release the memory back to the system. Select one: True False The correct answer is 'True'. Question 33 Not answered Marked out of 1.00 True/False: A derived class is limited to the characteristics and behaviors inherited from the base class. Select one: True False The correct answer is 'False'. Question 34 Not answered Marked out of 1.00 A software object's behavior is exposed through its  ? The correct answer is: method Question 35 Not answered Marked out of 1.00 The class that inherits attributes and behaviors from the base class is called the: Select one: a. super class b. derived class c. abstract class d. concrete class The correct answer is: derived class Question 36 Not answered Marked out of 1.00 In Haskell, the following code demonstrates what feature of functional programming: (max4)5 Select one: a. A curried function b. A recursive function c. Mapping d. Filtering The correct answer is: A curried function Question 37 Not answered Marked out of 1.00 True/False: The advantage of lists in functional programming languages is that they can be used to pass in any number of data items with multiple data types. Select one: True False The correct answer is 'False'. Question 38 Not answered Marked out of 1.00 True/False: Functional Programming Languages were designed to mimic mathematical functions. Select one: True False The correct answer is 'True'. Question 39 Not answered Marked out of 1.00 What can we say about the following Haskell function definition: reverse :: [a] -> [a] reverse x | x==0    = 0          | x>0      = reverse[x-1] Please select the best answer. Select one: a. It will recursively count down the value of a to 0. b. The function will take in a argument of type a and return an argument of type a c. It will not compile because the compiler will not allow a generic type (a) when integer operations are being used. d. The routine can pattern match both integers and floating point numbers. The correct answer is: It will not compile because the compiler will not allow a generic type (a) when integer operations are being used. Question 40 Not answered Marked out of 1.00 In a functional programming language such as Haskell or Standard ML select the most accurate statement from the following list of statements. Select one: a. Functions can process only 1 piece of information. b. Functions can take only 1 argument which can be a primative data type or a compound data type. c. A function must take in (argument) and return the same data type. d. Functions can take in any number of arguments but return only 1. The correct answer is: Functions can take only 1 argument which can be a primative data type or a compound data type. Question 41 Not answered Marked out of 1.00 In Prolog the [ ] represents the  . The correct answer is: empty list Question 42 Not answered Marked out of 1.00 Which of the following is NOT a valid variable in Prolog. Select one: a. Paul b. a_123 c. _123 d. Hello The correct answer is: a_123 Question 43 Not answered Marked out of 1.00 All of the following represent which Prolog data type? elephant b aX 'Hello' Answer:  The correct answer is: atoms Question 44 Not answered Marked out of 1.00 In Prolog the following statement is called a  . rainy(asheville). The correct answer is: fact Question 45 Not answered Marked out of 1.00 Select the best response that describes how Prolog will evaluate the following Prolog expression. 3 = 2+1. Select one: a. Prolog will evaluate to true, but will not report the result. b. Prolog will not evaluate to true because there is no variable. c. Prolog will evaluate to false because the = sign is a test of Unifiability not mathematical equality d. Prolog will evaluate to false because mathematical evaluations must be performed within a function The correct answer is: Prolog will evaluate to false because the = sign is a test of Unifiability not mathematical equality