problem 1) Answer all the problems:

i) What do you understand by ripple and decade counters?

ii) prepare down the difference between hardwired and Multiprogrammed control unit.

iii) describe the Buses in computer system.

iv) What is the control unit and its functions?

v) What do you understand by interfacing keyboard?

problem2) prepare 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.

problem 3) describe virtual memory. Describe direct mapping and associative memory with diagram.

problem 4) Describe the difference between centralized and decentralized arbitration with diagram.