Please be detailed in your solutions and explanations as I need to study from the work, and prepare for exams.

Attempt only if you can "answer all the questions correctly"

Course - Computer Organization

SECTION B: SHORT ANSWERS MAX MARKS: 10 POINTS Learning Outcome: CLO2: Explain the functions of processor, main memory and 1/0 devices 1. Give reason why the address bus is unidirectional whereas data bus is bidirectional. (2 marks) 2. Explain in detail the functions of three sections of the central processing unit. (3 marks) 3. Illustrate the sequence of operations between the main memory and cache memory when instructions are fetched into the main memory 13 marks) What is the function of the DMA (Direct Memory Access) Controller [2 marks) Page 2 of 4