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I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
I applied via Approached by Company and was interviewed in Aug 2023. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Mar 2018. There were 3 interview rounds.
The candidate explains their low pointer by highlighting their active involvement in co-curricular activities and their focus on overall development.
Active involvement in college co-curricular activities
Emphasis on overall development
Belief that knowledge is more important than grades
Ittiam Systems interview questions for designations
Questions on array manipulation and logic gates.
To reverse an array inplace, swap the first and last elements and continue swapping towards the middle.
To implement a -4 input AND gate using 2 input AND gates, use two 2-input AND gates and connect their outputs to a third 2-input AND gate.
To compare two black box implementations of an AND gate, test their output for all possible input combinations and compare the result...
AND gate can be implemented using a 2:1 multiplexer.
Connect both inputs of the AND gate to the select line of the multiplexer.
Connect one input of the multiplexer to 0 and the other input to the second input of the AND gate.
The output of the multiplexer is the output of the AND gate.
To calculate stack space used by functions and data types, we need to consider their sizes and memory allocation.
Calculate the size of each data type used in the functions
Determine the number of variables declared in each function
Multiply the size of each variable by the number of times it is declared
Add up the total size of all variables in each function
Add the sizes of all functions together to get the total stack sp
To AND n inputs, n-1 AND gates are required.
Each input needs to be connected to an AND gate except for the last input which is connected to the output.
The output of each AND gate is connected to the input of the next AND gate.
This results in n-1 AND gates being required for n inputs.
Stack is a data structure used to store and manage function calls.
Stack is a LIFO (Last In First Out) data structure.
It is used to store function calls, local variables, and return addresses.
Pushing onto the stack adds a new element to the top, popping removes the top element.
Stack overflow occurs when the stack size exceeds its limit.
Example: recursive function calls use the stack to store return addresses and local v
Local variables go on the stack. Stack is used for function calls due to its LIFO nature. Arithmetic operations can be performed on stack data.
Local variables are stored on the stack frame of the function they are declared in.
Stack is used for function calls because it allows for easy management of function call frames in a LIFO manner.
Arithmetic operations can be performed on data stored in the stack by first popping ...
Extract a pattern between two given bit positions in a 32-bit number.
Convert the number to binary string.
Extract the substring between the given positions.
Convert the substring back to decimal if needed.
Handle edge cases like invalid positions or overlapping positions.
Transpose a 2*2 square matrix in place
Swap the elements at (0,1) and (1,0) indices
No need to swap elements at (0,0) and (1,1) indices
Example: [[1,2],[3,4]] -> [[1,3],[2,4]]
Ittiam is a 10-11 year old software company.
Ittiam specializes in video and audio codecs.
It has a strong presence in the semiconductor industry.
It has partnerships with major players like Intel, Qualcomm, and Sony.
I want to join Ittiam because of its innovative work and growth potential.
Get interview-ready with Top Ittiam Systems Interview Questions
I applied via Referral
Design a data structure for dictionary
Use hash table or trie data structure
Each key maps to a value
Keys should be unique
Support operations like insert, delete, search
Time complexity of hashmap operations
Insertion and deletion: O(1) on average, O(n) in worst case
Search: O(1) on average, O(n) in worst case
Traversing: O(n)
Resizing: O(n)
Implementing memcopy in C
Use a loop to copy each byte from the source to the destination
Handle overlapping memory regions correctly
Return a pointer to the destination
Ensure proper null termination for string copies
No, incrementing a void pointer is not allowed.
Void pointers do not have a data type, so incrementing them is not possible.
Attempting to increment a void pointer will result in a compilation error.
To increment a pointer, it must be of a specific data type.
Program to find the number of trailing zeros in a factorial
Count the number of 5s in the factorial
Divide the number by 5 and add the quotient to the answer
Repeat until quotient is less than 5
Program to invert all bits from the leftmost set bit in an integer
Find the leftmost set bit using bitwise operations
Create a mask with all bits set to 1 from the leftmost set bit
XOR the mask with the integer to invert all bits from the leftmost set bit
Repeat the above steps until all bits are inverted
Program to invert the case of the last letter in each word of a sentence
Split the sentence into an array of words
Loop through each word and get the last letter
Invert the case of the last letter using toUpperCase() and toLowerCase()
Replace the last letter in the word with the inverted case letter
Join the array of words back into a sentence
Find the minimum number whose product of digits modulo 1000000007 is equal to itself.
Iterate through numbers from 1 to 1000000006
Calculate the product of digits modulo 1000000007 for each number
If the product is equal to the number, return the number as the minimum
If no such number is found, return -1
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I appeared for an interview before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
Some of the top questions asked at the Ittiam Systems Software Engineer interview -
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