Are You Smarter Than A Programmer?

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| By Rzimmerle

Rzimmerle

Community Contributor

Quizzes Created: 2 | Total Attempts: 1,149

Questions: 6 | Attempts: 728 | Updated: Mar 21, 2023

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Questions and Answers

1.

Which contains a decimal?
- A.
  
  Double
- B.
  
  Int
- C.
  
  Character
- D.
  
  Boolean
Correct Answer
A. Double

Explanation
A decimal is a number that includes a fractional part, and the data type "double" in programming languages like Java and C++ is used to represent decimal numbers. The "int" data type is used to represent whole numbers without any fractional part. The "character" data type is used to represent individual characters, such as letters or symbols. The "boolean" data type is used to represent true or false values. Therefore, the correct answer is "double" as it is the only data type mentioned that can contain a decimal.

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2.

What are the two parts of every object?
- A.
  
  Methods and words
- B.
  
  Numbers and variables
- C.
  
  Methods and properties
- D.
  
  Words and numbers
Correct Answer
C. Methods and properties

Explanation
Every object in programming consists of two essential parts: methods and properties. Methods are the actions or behaviors that an object can perform, while properties are the characteristics or attributes that describe the object. Methods allow objects to perform specific tasks or operations, while properties hold the data or information associated with the object. Therefore, methods and properties are the two fundamental components that make up every object in programming.

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3.

Who discovered the first computer bug?
- A.
  
  Ada Lovelace
- B.
  
  Grace Hopper
- C.
  
  Donald Knuth
- D.
  
  Richard Stalman
Correct Answer
B. Grace Hopper

Explanation
Grace Hopper is credited with discovering the first computer bug. In 1947, while working on the Harvard Mark II computer, Hopper found a moth trapped between the relay contacts, causing a malfunction. She taped the moth to the logbook and wrote "First actual case of bug being found." This incident popularized the term "bug" to refer to computer glitches. Hopper's contributions to computer programming and her work on the development of COBOL have had a significant impact on the field of computing.

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4.

What package would you use to create a Graphical User Interface?
- A.
  
  Java.awt
- B.
  
  Java.util
- C.
  
  Javax.swing
- D.
  
  Java.io
Correct Answer
C. Javax.swing

Explanation
The javax.swing package is used to create a Graphical User Interface (GUI) in Java. It provides a set of components and classes that allow developers to create interactive and visually appealing GUI applications. The package includes classes for creating windows, buttons, menus, and other GUI elements. It also provides support for layout management, event handling, and data binding. Overall, javax.swing is the preferred package for creating GUI applications in Java.

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5.

Which is a correct method heading?
- A.
  
  Protected method()
- B.
  
  Int method()
- C.
  
  Private()
- D.
  
  Public void method()
Correct Answer
D. Public void method()

Explanation
The correct method heading is "public void method()". In Java, the "public" keyword indicates that the method can be accessed from anywhere, "void" specifies that the method does not return any value, and "method()" is the name of the method.

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6.

What theoretical device is typically used to demonstrate how a computer handles tasks?
- A.
  
  Microwave oven
- B.
  
  Turing Machine
- C.
  
  Warp Drive
- D.
  
  EDM
Correct Answer
B. Turing Machine

Explanation
A Turing Machine is a theoretical device that is typically used to demonstrate how a computer handles tasks. It is a mathematical model that consists of a tape, a read-write head, and a set of rules. The tape is divided into cells, each containing a symbol, and the read-write head can read and write symbols on the tape. The set of rules determine the machine's behavior, allowing it to perform various tasks by manipulating symbols on the tape. The Turing Machine is a fundamental concept in computer science and helps in understanding the capabilities and limitations of computers.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 21, 2013

Quiz Created by
Rzimmerle

Are You Smarter Than A Programmer?

Which contains a decimal?

What are the two parts of every object?

Who discovered the first computer bug?

What package would you use to create a Graphical User Interface?

Which is a correct method heading?

What theoretical device is typically used to demonstrate how a computer handles tasks?