What is the primary operational objective of a web browser's 'Rendering Engine'? MCQ with Answer and Explanation

What is the primary operational objective of a web browser's 'Rendering Engine'?
A. To interpret HTML, CSS, and script instructions and display them as a formatted visual layout on the screen
B. To filter email spam items automatically
C. To parse raw network data streams into secure backup configurations
D. To assign dynamic local IP values to hardware items
Answer: Option A
Solution (By JKExamLibrary)
The rendering engine's job is to take text-based web code (HTML, CSS, images) and draw the interactive graphical composition on the device screen.

This question belongs to: Computer Internet and Web Technologies

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Which of the following is an extension to the basic email protocol that permits the transmission of non-text attachments such as images, audio, and documents?
A. MIME
B. SMTP
C. IMAP
D. POP3

Correct Answer: Option A


Explanation:
MIME (Multipurpose Internet Mail Extensions) extends the basic email capabilities to allow multimedia attachments and non-ASCII character sets.

This question belongs to: Computer Internet and Web Technologies
Question #2 Report Error
What is the purpose of the 'If-Modified-Since' HTTP header?
A. To specify cache expiration
B. To request a conditional GET if the resource has been modified since the date
C. To set the last modified time
D. To check for updates

Correct Answer: Option B


Explanation:
If-Modified-Since allows the client to request the resource only if it has been modified since the specified date, saving bandwidth.

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Question #3 Report Error
What is the purpose of the 'action' attribute in an HTML form?
A. To validate form input
B. To specify the URL where form data should be sent
C. To set the character encoding
D. To define the HTTP method

Correct Answer: Option B


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The action attribute defines the URL to which the form's data is submitted when the form is submitted.

This question belongs to: Computer Internet and Web Technologies