1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2022 - Paper 2
Question 1
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.... 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 - 2022 - Paper 2
Step 1
1.1.1 A process where a single program is broken up into multiple parts that can be processed simultaneously and independently:
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Answer
The correct answer is C. Multithreading. Multithreading allows multiple threads to be executed in parallel, breaking a program into smaller parts.
Step 2
1.1.2 The following is a type of volatile memory:
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Answer
The correct answer is B. Disk cache. Disk caches are volatile storage types designed for speed.
Step 3
1.1.3 A ... is a file which includes visual media and is made available for download:
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Answer
The correct answer is C. Vodcast. A vodcast is specifically designed for video content.
Step 4
1.1.4 A programming language used exclusively for manipulating data in a database:
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Answer
The correct answer is A. SQL. SQL stands for Structured Query Language and is used for managing relational databases.
Step 5
1.1.5 Given the following statement:
```
iAnswer := 12 + 4/2 * (9 MOD 2);
``` The value of iAnswer will be ...
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Answer
The correct answer is B. 13. The expression evaluates as follows: 4/2 is 2; (9 MOD 2) is 1; thus, iAnswer becomes 12 + 2 * 1 = 13.
Step 6
1.2.1 Any activity regarding creating, editing or deleting of data managed by a database management system (DBMS)
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Answer
The correct answer is H. Transaction. Transactions handle updates to the database.
Step 7
1.2.2 A data structure that stores a set of values of the same data type
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Answer
The correct answer is K. Array. Arrays are collections of items stored at contiguous memory locations.
Step 8
1.2.3 A method used to bypass the normal authentication procedure on a network in order to obtain unauthorized access
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Answer
The correct answer is J. Backdoor. Backdoors provide unauthorized access to systems.
Step 9
1.2.4 A programming language that can be used to add interactivity to a website
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Answer
The correct answer is I/R. JavaScript/Python. Both languages can be used for interactive web applications.
Step 10
1.2.5 Protection for any published work that helps to prevent that work from being used without permission from the author
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Answer
The correct answer is A. Copyright. Copyright laws protect original works.
Step 11
1.2.6 The process of having sets of the same data file on separate devices automatically being updated to the latest copy
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Answer
The correct answer is O. Synchronising. Synchronising ensures data consistency across platforms.
Step 12
1.2.7 A program that enables the operating system to control a device
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Answer
The correct answer is E. Driver. Drivers facilitate communication between the OS and hardware.
Step 13
1.2.8 Advanced settings for shared files, used by the server administrator to manage the type of access to the files
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Answer
The correct answer is B. User Rights. User rights dictate permissions for files.
Step 14
1.2.9 A field of computer science that usually involves data analytics, machine learning and rule-based decision-making to create the ability of automated decision-making
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Answer
The correct answer is D. Artificial Intelligence. AI encompasses these methodologies.
Step 15
1.2.10 The ability of a system to increase or decrease its resources depending on the number of users
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Answer
The correct answer is C. Scalability. Scalability refers to the capacity of a system to handle growth.
