1.1.1 ... is a wireless technology that allows devices to communicate wirelessly over short distances, typically 10 m or less - NSC Information Technology - Question 1 - 2022 - Paper 2
Question 1
1.1.1 ... is a wireless technology that allows devices to communicate wirelessly over short distances, typically 10 m or less.
A. WAN
B. Bluetooth
C. Wi-Fi Mini
D.... show full transcript
Worked Solution & Example Answer:1.1.1 ... is a wireless technology that allows devices to communicate wirelessly over short distances, typically 10 m or less - NSC Information Technology - Question 1 - 2022 - Paper 2
Step 1
1.1.1 ... is a wireless technology that allows devices to communicate wirelessly over short distances, typically 10 m or less.
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Answer
The correct answer is B. Bluetooth is specifically designed for close-range communication among devices.
Step 2
1.1.2 A ... is a small text file used to store customised settings for a website on your local computer.
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Answer
The correct answer is D. A cookie is a small text file used by websites to store user preferences.
Step 3
1.1.3 A rule-based form of artificial intelligence where human experience is coded into a computer to make it possible for the computer to make decisions:
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Answer
The correct answer is A. An expert system uses knowledge and rules derived from human experts to make decisions.
Step 4
1.1.4 A DDoS attack makes a website unusable due to ...
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Answer
The correct answer is C. A DDoS attack generates extremely high volumes of traffic to overwhelm the website's server.
Step 5
1.1.5 Determine the value of sWord if the following code is executed:
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Answer
To find the value of sWord, let's analyze the provided code. The loop runs from the length of sText down to 1 and concatenates characters to sWord when I mod 5 = 0. Since sText contains the alphabet from 'a' to 'z', the letters selected will be those in the 5th, 10th, 15th, 20th, and 25th positions:
Position 5: e
Position 10: j
Position 15: o
Position 20: t
Position 25: y
Therefore, sWord ends up being ytoj. Thus, the correct answer is D. ytoe.
