Draw the block diagram of Hardwired control unit and explain their functional units in brief. [10]
2.
What is Instruction Format of basic computer architecture? A computer uses a memory unit with 256K words of 32 bits each. Draw the instruction word format and indicate the number of bits in each part. [5]
Fixed point Computer Arithmetic
1.
State an algorithm for the restoring division method of fixed point binary division.Show the step-by step division process using restoring division algorithm when 448(0111000000) is divided by 17(10001). Use 5-bit register to represent the numbers. [10]
Input and Output Organization
1.
What is the difference between isolated 1/0 and memory-mapped I/0? What are the avantages and disadvantages of each? [5]
Intel 8085
1.
What is 8085 microprocessor? Explain the functional units of 8085 microprocessor in brief. [10]
2.
What is instruction cycle? If the clock frequency is 5 MHz, how much time is required to execute an instruction MVI A, 08H? [3+2]
3.
Write a 8085 assembly langauge for division of two 8-bit numbers by repeated subtraction method. [5]
4.
Write short notes on: a.) Multiplexed Address Write short notes on: b.) Memory Hierarchy [2.5+2.5]
Introduction to Microprocessor
1.
What is the difference between SAP-1 and SAP-2? [5]
Memory Organization
1.
Explain the use of mapping table. [5]
Micro Operations
1.
What is Microoperations? Explain the function of each following microoperations
$AR ⟵ PC$
$DR ⟵ M[AR], PC ⟵ PC+1$
$AR ⟵ DR(0 - 10), CAR(2 - 5) ⟵ DR(11 - 14)$
[5]
Pipelining
1.
What is pipelining? Explain the role of pipelining in computing. [5]