Bachelors Level/First Year/Second Semester/Science bit/second semester/microprocessor and computer architecture/syllabus wise questions

Bachelors In Information Technology

Institute of Science and Technology, TU

Microprocessor and Computer Architecture (BIT151)

Year Asked: 2080, syllabus wise question

Control Unit and Central Processing Unit
1.
What is control unit of microprocessor? Draw the block diagram of the hardwired control unit and explain the function of each unit in brief. [10]
2.
Design a 4-bit combinational circuit decrementer (A1 $\gets$ A1 - 1) using four full-adder circuits. Explain the circuit. [5]
3.
What do you understand by microprogrammed control computer? Explain main memory and control memory of microprogrammed controlled Computer. [5]
Fixed point Computer Arithmetic
1.
Show the step-by-step division process using Restoring Division Algorithm of 194 $\div $ 10) (AQ= 10100011 by B=1011). [5]
Input and Output Organization
1.
Explain the difference between isolated I/O and memory-mapped I/O? What are the advantages and disadvantages of each? [5]
Intel 8085
1.
What is Addressing Modes? Explain each with example. Explain the function and type of addressing mode with reason of instructions STA 4000H. [10]
2.
Write 8085 assembly language to add two numbers located at 2030H and 2040H. Store the sum in the address 2050H. [5]
Introduction to Microprocessor
1.
What is Microprocessor? What are 3 general categories of the function of microprocessor? Explain in brief. [5]
Memory Organization
1.
What is Virtual Memory? Explain in brief. [5]
Micro Operations
1.
What is selective set logical operation? Draw the hardware circuit of selective set logical operation. [5]
Pipelining
1.
What is pipelining? Define instruction pipeline and explain the four segment instruction pipeline. [10]
2.
Write short notes one a.) Performance of a pipelined processor Write short notes one b.) Page Replacement [2.5+2.5]