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1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2017 - Paper 2

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1.1 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 number (1.1.1... show full transcript

Worked Solution & Example Answer:1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2017 - Paper 2

Step 1

1.1.1 Altering the sender's address and other parts of an e-mail header to appear as if the e-mail originated from a different source is called …

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Answer

The correct answer is A. spoofing. Spoofing refers to the act of disguising a communication from an unknown source as being from a known, trusted source.

Step 2

1.1.2 Which ONE of the following does NOT refer to an attribute of ROM?

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Answer

The correct answer is D. More ROM can be plugged into slots on the motherboard. This statement is about the capacity and upgradability which does not pertain to the inherent attributes of ROM, such as being permanent.

Step 3

1.1.3 Which combination of computer file management techniques is used when an image file is changed from bmp format into jpeg format using image software?

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The correct answer is A. (i) and (ii). In this case, file compression and file conversion techniques are applied to change the image format from BMP to JPEG.

Step 4

1.1.4 The communication standard most commonly used to connect cellphones to hands-free car kits is …

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Answer

The correct answer is B. 802.11g wireless. While Bluetooth is also commonly used, 802.11g wireless networks are often leveraged in such devices.

Step 5

1.1.5 What will be the content of the sAnswer variable?

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Answer

The correct answer is B. love. The function copy() extracts a substring from sLine, starting from the position of the first 'l', and the next four characters yield 'love'.

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