Question 1) Answer all the questions:
i) What do you understand by ripple and decade counters?
ii) Write down the difference between hardwired and Multiprogrammed control unit.
iii) Explain the Buses in computer system.
iv) What is the control unit and its functions?
v) What do you understand by interfacing keyboard?
Question2) Write down the difference between a direct and an indirect address instruction? How may references to memory are needed for each type of instruction to being an operand into a process or register.
Question 3) Explain virtual memory. Describe direct mapping and associative memory with diagram.
Question 4) Describe the difference between centralized and decentralized arbitration with diagram.