2.1 State TWO main functions of a motherboard - NSC Information Technology - Question 2 - 2019 - Paper 2
Question 2
2.1 State TWO main functions of a motherboard.
2.2 What is the main difference between a bus and a point-to-point connection?
2.3 Expansion slots are used to add c... show full transcript
Worked Solution & Example Answer:2.1 State TWO main functions of a motherboard - NSC Information Technology - Question 2 - 2019 - Paper 2
Step 1
State TWO main functions of a motherboard.
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Answer
Provides connectors to allow other circuits (CPU, RAM, etc.) to connect to and house components.
Ensures that all components of the computer can communicate with one another and distributes power to the parts that connect to it.
Step 2
What is the main difference between a bus and a point-to-point connection?
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A bus connection means that the wires or paths used to transfer data are shared between multiple components, whereas a point-to-point connection is dedicated, meaning the wires used for data transfer are not shared and connect only two devices directly.
Step 3
State ONE type of controller card that can be connected through an expansion slot.
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One type of controller card that can be connected through an expansion slot is a video card.
Step 4
Name ONE port that is commonly used to connect a wide variety of devices to a computer system.
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One common port used to connect a wide variety of devices is a USB port.
Step 5
Where will the changes made to the configuration settings of the BIOS be saved?
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The changes made to the configuration settings of the BIOS will be saved in the CMOS memory.
Step 6
Why don't the changes made to the configuration settings get lost when the computer is switched off and unplugged?
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The changes do not get lost because the battery on the motherboard keeps the CMOS from losing its data even when the computer is switched off.
Step 7
Identify the processing techniques illustrated and numbered as QUESTIONS 2.5.1, 2.5.2 and 2.5.3 in the diagram.
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2.5.1: Multiprocessing
2.5.2: Multitasking
2.5.3: Multithreading
Step 8
Define the following terms:
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2.6.1 Cache memory: Cache uses a limited amount of faster memory to speed up access to data and instructions stored on a slower medium.
2.6.2 Hardware interrupt: A hardware interrupt is a means/method/signal whereby a device can indicate that it needs attention from the CPU.
Step 9
Use an example to explain why plug-in software, such as Flash or QuickTime, is sometimes required by your browser to access certain websites.
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Web browsers require plug-in software like Flash or QuickTime to view specific types of multimedia content, as certain websites may contain multimedia elements that need these plug-ins to play or display properly.
Step 10
Write out the acronym POS.
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POS stands for Point of Sale.
Step 11
State TWO benefits of using barcodes with barcode scanners in a POS system.
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Faster and more efficient for capturing prices.
More accurate, preventing errors in the capture of prices.
Step 12
Define the term scalability in a cloud-based computing environment.
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Scalability refers to the ability to increase and decrease resources (size and power) quickly and efficiently based on the changing demands of a service.
Step 13
Give TWO reasons why the software needs to be updated regularly.
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To fix bugs in programs.
To improve performance and security by fixing vulnerabilities and adding new features.
Step 14
State TWO advantages of software updates that are managed by a service provider for a company that uses cloud-based computing services.
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The company does not have to check for and install updates manually; updates are done automatically.
The service provider handles the updates, ensuring that the latest features and security patches are always applied.
