COA notes of all the units aktu university

Here I am providing notes of computer organization and Architecture which is hand written notes and easy . Notes will cover many topics like

Unit will cover :  Functional units of digital system and their interconnections, buses, bus architecture, types of buses and bus arbitration. Register, bus and memory transfer. Processor organization, general registers organization, stack organization and addressing modes

Unit 2 : Arithmetic and logic unit: Look ahead carries adders. Multiplication: Signed operand multiplication, Booths algorithm and array multiplier. Division and logic operations. Floating point arithmetic operation, Arithmetic & logic unit design. IEEE Standard for Floating Point Numbers

Unit 3 : Control Unit: Instruction types, formats, instruction cycles and sub cycles (fetch and execute etc), micro operations, execution of a complete instruction. Program Control, Reduced Instruction Set Computer, Pipelining. Hardwire and micro programmed control: micro programme sequencing, concept of horizontal and vertical microprogramming.

Unit 4: Memory: Basic concept and hierarchy, semiconductor RAM memories, 2D & 2 1/2D memory organization. ROM memories. Cache memories: concept and design issues & performance, address mapping and replacement Auxiliary memories: magnetic disk, magnetic tape and optical disks Virtual memory: concept implementation.

Unit 5 : Input / Output: Peripheral devices, I/O interface, I/O ports, Interrupts: interrupt hardware, types of interrupts and exceptions. Modes of Data Transfer: Programmed I/O, interrupt initiated I/O and Direct Memory Access., I/O channels and processors. Serial Communication: Synchronous & asynchronous communication, standard communication interfaces.

 Computer organization and architecture:-

 1) Unit 1 Introduction :-  Download

2) Unit 2 Arithmetic and logic circuit:-     Download

3) Unit 3 Control unit:-   Download

4) Unit 4 Memory:-    Download

5) Unit 5 Input /Output:-   Download

Recommended Post :-

HCL Coding Questions:-

• Count Even Sum
  
• Length of Hypotenuse
  

Capgemini Coding Questions:-

• Move Hash
  
• Character with their frequency
  

iMocha coding Questions:-

• Mathematical Calculation: Prime number
  
• Mathematical calculation : odd numbers
  

Tech Mahindra coding questions:-

• Find Even odd difference
  
• Find Total curtains
  
• Find odd even difference
  
• Find total sum
  

Unthinkable Solutions coding questions:-

• Swap the adjacent characters of the string
  
• Double the vowel characters in the string
  
• Character with their frequency
  
• Program to find the closest value
  

Must check this:-

• PPS lab all the problems of 1st year 
• C- program of CPU scheduling Algorithms

Companies interview:-

• Swap adjacent characters 
• Double the vowel characters
  
• Check valid parenthesis
  
• Print the characters with their frequencies
  
• Find closest value
  
• Word Count
•  Program of CaesarCipher
• Program to find the perfect city
• Annual Day | Tech Mahindra coding question
• Find the number of pairs in the array whose sum is equal to a given target.

Full C course:-    

• C -Tutorial
  

Key points:-

• How to set limit in the floating value in python
  
• What is boolean data type
• How to print any character without using format specifier
• How to check that given number is power of 2 or not
  
• How to fix limit in double and floating numbers after dot (.) in c++
  
• How to print a double or floating point number in scientific notation and fixed notation
  
• How to take input a string in c
  
• How to reduce the execution time of program in c++.
  

Cracking the coding interview:-

 Array and string:-

• Is Unique
  
• Check Permutation
  
• Urlify
  
• One away
  
• String Compression
  
• Zero matrix
  

Tree and graph:-

• Route between nodes
  
• Minimal Tree
  
• List of Depth
  
• Validate BST
  
• Successor
  

Hackerearth Problems:-

• Very Cool numbers | Hacker earth solution
• Vowel Recognition | Hackerearth practice problem solution
  
• Birthday party | Hacker earth solution
• Most frequent | hacker earth problem solution
• program to find symetric difference of two sets
•  cost of balloons | Hacker earth problem solution
• Chacha o chacha | hacker earth problem solution
• jadu and dna | hacker earth solution
• Bricks game | hacker earth problem
• Anti-Palindrome strings | hacker earth solution
• connected components in the graph | hacker earth data structure
• odd one out || hacker earth problem solution
• Minimum addition | Hackerearth Practice problem
  
• The magical mountain | Hackerearth Practice problem
  
• The first overtake | Hackerearth Practice problem
  

Hackerrank Problems:-

•  Playing With Characters | Hackerrank practice problem solution
• Sum and Difference of Two Numbers | hackerrank practice problem solution
  
• Functions in C | hackerrank practice problem solution
  
• Pointers in C | hackerrank practice problem solution
  
• Conditional Statements in C | Hackerrank practice problem solution
  
• For Loop in C | hackerrank practice problem solution
  
• Sum of Digits of a Five Digit Number | hackerrank practice problem solution
  
• 1D Arrays in C | hackerrank practice problem solution
  
• Array Reversal | hackerrank practice problem solution
  
• Printing Tokens | hackerrank practice problem solution
  
• Digit Frequency | hackerrank practice problem solution
  
• Calculate the Nth term | hackerrank practice problem solution

Data structure:-

•   Program to find cycle in the graph
• Implementation of singly link list
• Implementation of queue by using link list
• Algorithm of quick sort
• stack by using link list
• program to find preorder post order and inorder of the binary search tree
• Minimum weight of spanning tree
  
• Preorder, inorder and post order traversal of the tree

Must check this:-

• PPS lab all the problems of 1st year 
• C- program of CPU scheduling Algorithms

 MCQs:-

• Engineering mathematics -4 MCQs
• CSS (Computer cyber security ) MCQS