Advanced Level Computer Science Revision: Structured Theory

Mastering structural Computer Science concepts requires a strong understanding of hardware functions, database engineering, and networking implementations. Test your descriptive problem-solving skills with these selected theory questions from image_238a64.jpg.

1. Computer Systems & Operating Systems

Question 1 (AI & Hardware Interfaces)

• (a) What is automatic speech recognition (ASR)? Describe one situation in which it can be used. (3 marks)

• (b) Give two advantages of ASR. (2 marks)

• (c) Give one limitation of ASR. (1 mark)

Question 2 (Operating System Activities)

Briefly explain the activities of an operating system with regards to the following:

• (a) File Management. (2 marks)

• (b) Memory Management. (2 marks)

2. Networking & Data Communication

Question 3 (Data Transmission Types)

Distinguish between the following transmission types presented in image_238a64.jpg:

• (a) Synchronous and Asynchronous transmission. (2 marks)

• (b) Broadband and Baseband transmission. (2 marks)

• (c) Parallel and Serial transmission. (2 marks)

Question 4 (LAN Infrastructure)

A school intends to create a LAN of 10 computers.

• (a) Describe each of the following network topologies by making labeled diagrams: Star, Ring, and Bus. (3 marks)

• (b) Name and explain TWO aspects to consider when selecting a network topology. (2 marks)

• (c) Explain TWO major advantages of using a wireless LAN instead of a cable LAN. (2 marks)

3. Database Management Systems

Question 5 (Database Design & Management)

• (a) State TWO benefits of normalisation in a database design. (2 marks)

• (b) What is the role of Indexing data in a DBMS? (1 mark)

• (c) Which category of relationships allows data to be linked from one table to several other tables in a relational database? (2 marks)

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