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. This term refers to the process of reverting a database to a previous state, effectively undoing transactions.
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) allows for asynchronous web page updates without refreshing 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 used in decision-making systems that deal with uncertainty and approximate reasoning.
Step 4
1.1.4 A method of encryption that utilises two separate keys to encrypt and decrypt data is known as …
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Answer
The correct answer is B. private key encryption. This method uses a pair of keys: a public key for encryption and a private key for decryption.
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(). This function truncates a floating-point number and returns its integer part.
