Cs180 - Study guides, Class notes & Summaries

CS180 Quiz Questions with Complete Rationales

Abstraction correct answer: hiding implementation details from other systems. Information hiding. Von Neumann Architecture correct answer: I/O, CPU, Memory. Encapsulation correct answer: constructs that aid in the bundling of data with methods operating on that data. Restricts access to some of an object's components. Use the most restrictive access modifiers possible. Fields are typically marked private. Expressions correct answer: combines variables, literals, operators, and meth...

What is the most important aspect of the von Neumann architecture that allows computer software to run so fast? correct answer: Software is stored in memory along with the data What is an algorithm? correct answer: Step-by-step series of instructions to solve a problem What is the two's complement representation of -37 using an 8-bit word? correct answer: 37 (base 10) to base 2 is Fill to 8 bits = Flip bits (one's complement) = Add one (two's complement) = What is t...

An algorithm must be "complete". What does that mean? correct answer: It must handle anything that comes up. --> This means that it is complete. In class Robot is a method that begins... public static void main(String[] args) { Which best describes method main()? correct answer: Method main() is where program execution begins. --> Without a main method, your class is not a program. The sum of two positive integers that is computed using Java will always be greater than both o...

CS180 Test Questions With All Correct Answers Which Statement below is NOT an example of a benefit of virtual machines? a.) A VM has the ability to run an operation system that is different from the host. b.) you can concurrently run several VM's on a single host c.) A VM uses less physical memory than an actual operation system. d.) A VM protects the host system from guest operation systems. - CORRECT ANSWERS c.) A VM uses less physical memory than an actual operation system. W...

CS180 Final Review: MC Quiz ?'s with complete solutions 2023An algorithm must be "complete". What does that mean? It must handle anything that comes up. --> This means that it is complete. In class Robot is a method that begins... public static void main(String[] args) { Which best describes method main()? Method main() is where program execution begins. --> Without a main method, your class is not a program. The sum of two positive integers that is computed using Java...

The following statement is valid in Java: HashMap<Integer, String> hashmap = new HashMap<>(); correct answer: true Which of the following statement(s) is/are incorrect? I. PrintWriter will always overwrite the contents of the file. II. BufferedReader can be used to write across a network stream III. BufferedWriter can only be used with files. correct answer: all are correct Which of the following is NOT considered a primitive type in the Java Programming Language? boole...

CS180 Final Exam Review: Questions W/Correct Solutions