Manchester CODE100 Quiz and Knowledge rounds

Knowledge Questions

These were pretty straight forward multiple choice questions.

Question 1

In JavaScript, which of the following returns true

• false !== false
• NaN !== NaN (correct answer)
• true !== true
• Infinity!= = Infinity

Question 2

Which of these is not a genuine coding-related term?

• obfuscation
• perplexification (correct answer)
• abstraction
• encapsulation

Question 3

Which of these correctly defines ‘extensibility’?

• The ease with which code can be read and understood by others
• The ability that a developer has to create easy-to-understand variable names
• The ability and ease with which code can be extended or augmented with new features or functionality (correct answer)
• The ease with which code can be sent to another developer

Question 4

What is FOUC?

• Flash Of Unstyled Content (correct answer)
• File Of Unknown Certificate
• File Order Under Construction
• For Original Underwriters Consideration

Question 5

Which one of the following programming languages has the greatest chronological distance from the creation of the others?

• Rust
• Kotlin
• TypeScript
• Python (correct answer)

Question 6

How many of these are not valid HTML 5 attributes?

ping, download, center, translate, block, poster, 
controls, multiple, loading, spellcheck, preload

• 2 (correct answer)
• all are valid
• 4
• 5

Solution: center and block are not valid

Question 7

Which of these acronyms is not a genuine stack of coding languages?

• LAMP
• MERN
• LAPP
• CERN (correct answer)

Solution:

• LAMP (Linux, Apache, MySQL, PHP)
• MERN (MongoDB, Express, React, Node.js)
• LAPP (Linux, Apache, PostgreSQL, PHP)
• CERN is actually derived from the French “Conseil Européen pour la Recherche Nucléaire”, or European Council for Nuclear Research

Question 8

What was PHP originally an abbreviation of?

• Parallel Hypertext Processor
• Personal Home Page (correct answer)
• Hypertext Preprocessor
• Portable HTML Processor

Question 9

What is the result of the following console.log() command in a browser?

document.body.style.background = '#cccccc'
console.log(document.body.style.background)

• #cccccc
• “cccccc”
• #CCCCCC
• rgb (204, 204, 204) (correct answer)

Solution: browsers understand hexadecimal, but the style object always returns RGB.

Question 10

Which of the following CSS, when applied to a parent element, will centre child elements centrally along both axes?

• display: block; text-align: center;
• display: flex; justify-content: center; align-items: center;
• display: block; margin: 0 auto;
• All of the above

See codepen.

Back to all puzzles