Question 1 (a) What are the major components inside a single-core processor? Describe their functions respectively. (b) A processor is labeled with: [2.8GHz]. Interpret this meaning. (2 marks) (c) Describe any FOUR (4) functions of Android in a smartphone. Question 2 (a) Describe briefly the FOUR (4) basic operations that comprise a machine cycle in a CPU. Use a diagram to illustrate your answer. (b) What is GUI? Describe any THREE (3) GUI elements that are commonly found in a PC system. (c) Distinguish between Freeware and Open Source Program. Question 3 (a) Interpret this URL: ftp://ftp.ouhk.edu.hk/bin/abc.zip (b) While you are browsing the electronic bookshelves of an online bookstore, you may be tempted to buying a lower-priced eBook over a physical copy. Discuss any THREE (3) Pros and any THREE (3) Cons of e-books over physical books. (c) GeForce GTX 1080 is a GPU and is an advanced gaming graphics card equipped with 8GB VRAM and 10Gbps memory speed. (i) What is a GPU? Suggest any TWO (2) functions of the GPU. (ii) What is VRAM? Is it volatile or non-volatile in nature? Question 4 (a) What is a Search Engine? Give any TWO (2) examples of it. How does a search engine work? (b) Discuss any FOUR (4) basic considerations when evaluating the information you search on the Web. (c) Unauthorized users may cause harm beyond your wireless network. Suggest any FOUR (4) ways which could help secure a Wi-Fi network against unauthorized access. Question 5 (a) When stored electronically in files, data and information can be used directly in a computer system. The popular file formats in MS Office are .docx, .xlsx, .pptx and .accdb respectively. (i) Distinguish between data and information. (ii) Discuss the natures of the above file formats in MS Office. (b) What is a peripheral device? State any FOUR (4) basic functional components of a MFP (multi-function printer). Should we classify a MFP as a peripheral device? (c) What is Web 2.0? Use TWO (2) different examples to illustrate your answer.