NSC Information Technology Mobile technologies: 1.1 Various options are provided

Question

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 numbers (1.1.1 to 1.1.5) in the ANSWER BOOK.

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. GPRS

1.1.2 A … is a small text file used to store customised settings for a website on your local computer.
A. log file
B. CSV file
C. blockchain
D. cookie

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:
A. Expert system
B. Virtual machine
C. Rule-based system
D. Learning system

1.1.4 A DDoS attack makes a website unusable due to …
A. 'pop-ups' used to trick the website owner into disconnecting the website server from the internet.
B. a hacker that breaks the connection between the internet and the server.
C. extremely high volumes of traffic that request data from the website.
D. unauthorised access to the website's CSS.

1.1.5 Determine the value of sWord if the following code is executed:
```plaintext
sText := 'abcdefghijklm nopqrstuvwxyz';
 sWord := '';
 for I := length(sText) downto 1 do
 if I Mod 5 = 0 then
 sWord := sWord + sText[I];
```
A. zxvrtpnljhfd
B. ytoj
C. afkpty
D. ytoje

1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2022 - Paper 2

Worked Solution & Example Answer:1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2022 - Paper 2

1.1.1 … is a wireless technology that allows devices to communicate wirelessly over short distances, typically 10 m or less.

1.1.2 A … is a small text file used to store customised settings for a website on your local computer.

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:

1.1.4 A DDoS attack makes a website unusable due to …

1.1.5 Determine the value of sWord if the following code is executed:

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