Gce Model Questions Vol1 2020 Computer Studies Question 2

Practice essay / theory question 2 from the 2020 Gce Model Questions Vol1 Computer Studies examination. This question covers Computer Hardware .

Gce Model Questions Vol1 2020 Computer Studies Essay / Theory
Topic: Computer Hardware
Question 2 GCE_MODEL_QUESTIONS_VOL1 • 2020 • COMPUTER_STUDIES • essay

A small business intends to assemble a desktop computer for graphic‑design work. The proposed components are listed below: - CPU: Intel Core i7‑9700K, TDP 95 W - GPU: NVIDIA RTX 2070, typical power 175 W - Motherboard (ATX): 40 W - RAM: 16 GB DDR4 (2 × 8 GB modules), 5 W - SSD (512 GB): 4 W - HDD (1 TB): 6 W - Cooling fans: three 120 mm fans, each 2 W The chosen power‑supply unit (PSU) is rated at 550 W. Answer the following questions.

Question Parts

( a )
Calculate the total maximum power consumption of the proposed system by adding the power requirements of all components.
( b )
Determine whether the 550 W PSU provides an adequate safety margin. Assume a minimum 20 % margin above the calculated maximum load is required.
( c )
Discuss the cooling requirements for this system. Use the total power consumption as an estimate of heat generated and comment on whether the three existing fans are sufficient, assuming each fan can move 70 CFM of air.
( d )
The business is considering upgrading the GPU to an NVIDIA RTX 3070, which has a typical power draw of 215 W. Re‑calculate the total power consumption with this upgrade and comment on whether the existing 550 W PSU would still be suitable, keeping the 20 % safety margin in mind.

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About This Question

This is Gce Model Questions Vol1 2020 Computer Studies Question 2. It is one of the essay questions from the 2020 Gce Model Questions Vol1 Computer Studies examination.

The question covers Computer Hardware .

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