Question:* True or False: Java is an Object Oriented language?
Answer: • True
Question:* A while...do loop is an example of a(n)...
Answer: • precheck loop
Question:* How many decimal places are in an Integer?
Answer: • 0
Question:* The correct syntax of do-while loop is...
Answer: • do { statements; } while ( condition );
Question:* Each pass through a loop is called a(n)...
Answer: • iteration
Question:* True or False: Java is a cross-platform language?
Answer: • True
Question:* What does "!=" mean in Java?
Answer: • Not Equal
Question:* What digits are in Binary?
Answer: • 0 and 1
Question:* In Java, the return type of a function that does not return any value must be ____.
Answer: • void
Question:* What is an example of a "Scripting" Language?
Answer: • JavaScript
Question:* Which of the following is a programming language?
Answer: • All of these
Question:* What does a compiler do?
Answer: • Takes your programming language and converts it to machine readable code
Question:* What is an Array?
Answer: • A list of values
Question:* What does " == " check?
Answer: • Equality between two variables
Question:* When are "While" loops used?
Answer: • When we don't know how many times a loop has to run, but want it to run when a criteria is active
Question:* When are "For loops" used?
Answer: • To repeat code a known number of times
Question:* In strongly typed languages, a variable must be ________ before it can be used.
Answer: • declared
Question:* Which of the following is NOT a common data type used in most languages?
Answer: • alphanumeric
Question:* If an external object or program needs direct access to a variable in your class, you should declare it as a _______ variable.
Answer: • public
Question:* How many bits are in a byte?
Answer: • 8
Question:* What is a GUI?
Answer: • A graphical user interface
Question:* What is Programming?
Answer: • Provide (a computer or other machine) with coded instructions for the automatic performance of a particular task.
Question:* Which of the following is a value of a boolean data type?
Answer: • False
Question:* What is a variable?
Answer: • A reference to information that can change
Question:* What are "Nested" loops?
Answer: • A loop within a loop
Question:* What is a "Matrix"?
Answer: • A multi dimensional array
Question:* A _______ is a computer program that transforms source code into another computer language; usually in order to create an executable program.
Answer: • Compiler
Question:* How many bits are in a byte?
Answer: • 8
Question:* C++ is:
Answer: • object oriented
Question:* What does " = " do?
Answer: • It assigns a value to a variable
Question:* True or False? Floats include decimals
Answer: • True
Question:* _______ is a programming paradigm that uses objects to contain data fields and associated programs called methods.
Answer: • object oriented programming
Question:* Which of the following is the starting index of an array in C++?
Answer: • 0
Question:* Given the following code logic, when will statement 1 be executed? If (condition) then statement 1 else statement 2 end if
Answer: • When the condition is true.
Question:* A precise sequence of steps to solve a problem is called a(n)...
Answer: • algorithm
Question:* In C++, what does the "%" operator do?
Answer: • Modulo
Question:* What does "||" mean in Java?
Answer: • OR
Question:* ______ is an identifier whose value cannot be altered by the program during execution.
Answer: • Constant
Question:* A garbage collector does what?
Answer: • Reclaims memory occupied by data that is no longer in use.
Question:* What is debugging a program?
Answer: • Finding and fixing errors in your program.
Question:* && is a(n) ______ operator:
Answer: • logical
Question:* Integer, boolean, and string are examples of a _________.
Answer: • data type
Question:* Given the following code logic, when will statement 2 be executed? If (condition) then statement 1 else statement 2 end if
Answer: • When the condition is false.
Question:* Which is more efficient?
Answer: • i += j;
Question:* Which of the following is NOT a commonly used comparison operator?
Answer: • Assignment
Question:* ______ is a collection of data items of the same size and type that can be selected by indices computed at run-time.
Answer: • Array
Question:* A ________ variable refers directly to another value stored elsewhere in the computer memory using its address.
Answer: • pointer
Question:* How do you print "Hello World" in C?
Answer: • printf("Hello World")
Question:* Which of the following is NOT an object oriented programming language?
Answer: • COBOL
Question:* Given a = true, b = false; what is the value returned by (a and b)?
Answer: • False
Question:* Which of the following is NOT an Integrated Development Environment (IDE)?
Answer: • Notepad
Question:* What does ASCII stand for?
Answer: • American Standard Code for Information Interchange
Question:* Which of the following is NOT a key concept in object oriented programming?
Answer: • Looping
Question:* How do you print "Hello World" in Java?
Answer: • System.out.println ("Hello World")
Question:* In flow chart, the symbol used for decision making is...
Answer: • diamond
Question:* Hiding internal data from external programs or objects and allowing access to it through only publicly declared methods is known as ___________.
Answer: • data encapsulation
Question:* An example of a LIFO (Last In First Out) data structure is ...
Answer: • a stack
Question:* ________ passes a direct reference of a variable to the procedure and the procedure can change the value of the calling program's variable.
Answer: • Pass by reference
Question:* What type of loop executes at least once before checking the condition?
Answer: • Do OR Do While
Question:* Given a = true, b = false; what is the value returned by (a or b)?
Answer: • True
Question:* _______ is the set of rules that defines the combinations of symbols that are considered to be a correctly structured code line or fragment in that language.
Answer: • Syntax
Question:* A ________ is a programming language that executes instructions directly, without previously compiling a program into machine-language instructions.
Answer: • interpretted language
Question:* C Language was developed for which OS?
Answer: • UNIX
Question:* What does the hash function "245 mod 10" output?
Answer: • 5
Question:* _______ passes a copy of a variable's value to a procedure and the procedure cannot change the value of the calling program's variable.
Answer: • Pass by value
Question:* For a compiled language, when do syntax errors occur?
Answer: • Compile-time
Question:* What is the control variable of a loop called?
Answer: • index variable
Question:* What is the difference between a function and a procedure?
Answer: • A function returns a value; a procedure doesn not.
Question:* In order for a binary search to work on an array, which of the following must be true?
Answer: • The array must be sorted.
Question:* What is a parent node in a tree structure?
Answer: • A node that has at least one child node
Question:* A do while loop is an example of a ...
Answer: • postcheck loop
Question:* Which of the following is NOT an interpretted language?
Answer: • C++
Question:* What is this called: var = (foo == bar) ? 'foo' : 'bar';
Answer: • Ternary operator
Question:* What is the largest value that be stored in a byte?
Answer: • 255
Question:* What is the decimal value of the hexadecimal number "FF" ?
Answer: • 255
Question:* A ______ is a machine level programming language.
Answer: • First-Generation programming language (1GL)
Question:* What is the decimal value of the binary number 101?
Answer: • 5
Question:* What type of loop is shown in the following code? a = 1 i = 0 while (a < 2) { i = i+1 }
Answer: • Infinite loop
Question:* Given the following code, what will be the value of i when the loop finishes executing? a = 5 i = 0 while (a < 2) { i = i+1 }
Answer: • 0
Question:* What is the value of an integer variable before it has been instantiated?
Answer: • Depends on the language specification
Question:* Which of the following is NOT a main computer system component?
Answer: • operating system
Question:* The compiler of the C language is written in...
Answer: • C Language
Question:* A linked data structure where the nodes have two pointers, one to the previous node, and one to the next node, is known as a(n)...
Answer: • doubly linked list
Question:* In C, when a pointer is incremented, it actually jumps the number of memory address...
Answer: • according to data type
Question:* If the elements of an array are already sorted then the useful search algorithm is...
Answer: • Binary search
Question:* Which of the following does NOT evaluate to true?
Answer: • NOT (true or false)
Question:* Which of the following must be true in a Binary Tree?
Answer: • A Binary Tree's nodes have not more than two child nodes, typically named 'left' and 'right'.
Question:* An example of a single pass language is
Answer: • Ruby, Perl
Question:* ________ is an error in the design of the code; the code does not run as expected.
Answer: • Logical Error
Question:* Number of primitive types in java?
Answer: • 8
Question:* Which is the correct order of complexity, from fastest growing to slowest growing:
Answer: • O(2^n), O(n^2), O(n*log(n)), O(n), O(log(n)), O(1)
Question:* True or False: You need a sorted array when doing an linear search.
Answer: • False
Question:* Java, Python, C, C++ are examples of
Answer: • Imperative Language
Question:* The stream-insertion operator is >> and the stream-extraction operator is <<
Answer: • False
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