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CSE211 : Computer Organization and Architecture Mid Term Question Paper | lpu

CSE211 : Computer Organization and Architecture Mid Term Question Paper | lpu

Question  1.
a) Specify the criteria used to classify an instruction into MRI, RRI, or I/O Instruction.

b) What will be the size of data bus and address bus for a memory unit of size 512 x eight (512 words of eight bits each)

c) Draw block diagram to represent the operation P: R1? R2

d) Address Sequencing Capability requires support for 4 various functions. describe them.

e) Determine the logic operand and logic operation that will change the value 1001 to all-zeroes

[2 x five = 10]

Question 2.
a) Design and discuss the working of a circuit that reduces the value of a 4-bit number by one.

b) Represent the design and functioning of Control unit with a block diagram

[6 + four = 10]

Question 3.
a) An 8-bit register R1 contains the value 1000 0001. Determine its value after the subsequent operations:

i. R1? ashl R1
ii. R1? cir R1

b) Design one-stage of an Arithmetic-Logic-Shift unit. discuss its working. Also specify the function table for its operations

[2 + eight = 10]

Question 4.
a) Show the process of monitoring and handling interrupts in the system using a flowchart.

b) What condition determines that the stack is full (FULL ? 1) during the Push operation?

c) describe the purpose, control function, hexa-decimal code and micro-operation sequence corresponding to subsequent computer instructions:

i. ADD
ii. BSA
iii. SKO
iv. CIL
v. HLT

[4 + one + five = 10]

Question 5.
a) Draw block diagram for micro-programmed control organization. Briefly describe the role of every block.

b) Convert the expression { six + ( eight – two ) * four } / three into postfix. DO NOT SOLVE

c) Write 3-address assembly instructions to perform X = ( A + B ) / (A – B)

d) provide at lowest 2 points of differences ranging from every of the subsequent pairs:

i. Immediate Addressing Mode and Implicit Addressing Mode
ii. Interrupt and Subroutine Call

[2 + two + two + four = 10]

CSE211 : Computer Organization and Design Reappear / End Term Exam Question Paper | CSE 211 | LPU

CSE211 : Computer Organization and Design Reappear / End Term Exam Question Paper | CSE 211 | LPU

Computer Organization and Architecture lets you know how exactly each instruction is executed at the micro level. The data flow, timing analysis, memory hierarchy, trade offs between execution cycles, hardware requirements/costs, software-hardware trade-offs can be known.


CSE211 : Computer Organization and Design End Term Exam Question Paper | CSE 211 | LPU

CSE211 : Computer Organization and Design End Term Exam Question Paper | CSE 211 | LPU


Control Unit CPU is divided into Arithmetic Logic Unit (ALU) and Control Unit (CU). The function of control unit is to generate relevant timing and control signals to all operations in the computer. It controls the flow of data between the processor and memory and peripherals.