Tag: programming languages

Questions Related to programming languages

Just-in-time (JIT) compilation improves the performance of languages that compile into bytecode. Which language featured the first JIT compiler?
technology programming languages

  1. Java

  2. C#

  3. Smalltalk

  4. Cobol

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Correct Option: C

If I told you a key characteristic of my programming language of choice was that it generated threaded code which language would I most likely be talking about?
technology programming languages

  1. Pascal

  2. Java

  3. Forth

  4. Python

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Correct Option: C

Your local supermarket is all sold out of energy drinks Jolt Cola and Mountain Dew. Which beverage will keep you going packing the most caffeine and sugar into a 12-ounce can?
technology programming languages

  1. Sunkist Orange Soda

  2. Coca-Cola Classic

  3. Pepsi-Cola

  4. Dr. Pepper

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Correct Option: A

Which of the following is NOT a central tenet of extreme programming?
technology programming languages

  1. Refactor your code often

  2. Throw away obsolete code

  3. Debugging is for wimps

  4. Communicate often with the customer

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Correct Option: C

What is the relationship between Java and JavaScript?

technology programming languages

  1. Netscape invented JavaScript as a stripped-down "lite" version of Java

  2. Java borrowed ideas from JavaScript and made it a full-fledged programming language

  3. They both originate from the same research at Sun Microsystems

  4. There is none; it's all just marketing

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Correct Option: D

Why do some consider Ruby to be more "purely" object-oriented than other more popular OOP languages such as Java and C++?

technology programming languages

  1. Because Ruby forces object orientation and does not permit procedural or functional style code

  2. Because Ruby makes no distinction between objects and primitive types

  3. Because Ruby's syntax is similar to that of Perl

  4. Because Ruby programmers are full of themselves

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Correct Option: B

Failure to validate user input is one of the most common sources of software security vulnerabilities. When is it safe to accept user input without validation?
technology programming languages

  1. When the application is running behind a firewall

  2. Never; any program that accepts input can be exploited

  3. When the application is written in Perl using the language's "taint mode"

  4. When the user is your own mother

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Correct Option: B

Which of the following is the best way to write reusable code that is easier to maintain?
technology programming languages

  1. Use more global variables

  2. Keep variable and function names down to one or two letters

  3. Insert comments throughout your source code files

  4. Use pointer arithmetic wherever possible

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Correct Option: C

Of the following who is NOT the inventor of a programming language in current use?
technology programming languages

  1. Andrew S. Tanenbaum

  2. Guido van Rossum

  3. Niklaus Wirth

  4. Bjarne Stroustrup

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Correct Option: A

To what concept does "the mythical man-month" refer?
technology programming languages

  1. The code that would have been written last month if your project was on deadline

  2. The amount of code that you can produce in a month on your salary

  3. The fallacy that assigning more staff to a programming job will complete it faster

  4. The fact that like Sysiphus pushing the boulder you can never finish debugging

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Correct Option: C