Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2019 - Paper 2
Question 1
Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D) next to the question numbers (1.1 to 1... show full transcript
Worked Solution & Example Answer:Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2019 - Paper 2
Step 1
1.1.1 The process used to reverse a database transaction and restore the data to a previous state is called …
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Answer
The correct answer is D rollback. A rollback is a method used in database systems to revert the database to a previous state, typically used after an error to undo changes.
Step 2
1.1.2 The technology that combines JavaScript with a browser command and allows the browser to update only a small part of a web page is:
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Answer
The correct answer is B AJAX. AJAX (Asynchronous JavaScript and XML) enables the asynchronous updating of web pages without the need to reload the entire page.
Step 3
1.1.3 A type of reasoning that works with probabilities in order to arrive at a decision is called …
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Answer
The correct answer is C fuzzy logic. Fuzzy logic is a form of multi-valued logic that deals with reasoning that is approximate rather than fixed and exact.
Step 4
1.1.4 A method of encryption that utilizes two separate keys to encrypt and decrypt data is known as …
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Answer
The correct answer is D public key encryption. This method uses one key for encryption (public key) and another key for decryption (private key).
Step 5
1.1.5 ... is a built-in Delphi function that returns the integer part of a floating point number.
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Answer
The correct answer is C Trunc(). The Trunc() function in Delphi returns the integer part of a floating point number, effectively truncating any decimal places.
