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DMA stands for Direct Memory Access, a feature that allows hardware devices to transfer data to/from memory without involving the CPU.
DMA is used to offload data transfer tasks from the CPU, improving overall system performance.
Context switching is the process of saving and restoring the state of a CPU so that multiple processes can share the same CPU.
DMA and context switching are both important concepts in embedded sy...
Pipeline in ARM is a technique used to increase the performance of the processor by overlapping the execution of multiple instructions.
Pipeline allows multiple instructions to be processed simultaneously in different stages of execution.
It helps in reducing the overall execution time of a program.
ARM processors typically have a 3-stage pipeline, but some newer designs have more stages for better performance.
Example: In...
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Heap data structure is a binary tree where each node is greater than or equal to its children.
Heap can be implemented as a binary heap or a Fibonacci heap.
Common operations on a heap include insert, delete, and extract min/max.
Heap is often used in priority queues and sorting algorithms like heap sort.
I applied via LinkedIn and was interviewed before Dec 2023. There were 2 interview rounds.
Security in Azure environment can be managed through various measures such as network security groups, Azure Security Center, encryption, and access control.
Implement network security groups to control inbound and outbound traffic to virtual machines.
Utilize Azure Security Center to monitor and improve the security posture of resources.
Enable encryption at rest and in transit to protect data stored in Azure services.
Us...
Security in Azure can be managed through various tools and best practices.
Implementing Azure Security Center for threat detection and monitoring
Using Azure Active Directory for identity and access management
Enforcing network security using Azure Firewall and Network Security Groups
Encrypting data at rest and in transit using Azure Key Vault and SSL/TLS
Regularly updating and patching virtual machines and services
Leverag
Basic data structure questions and a library system design scenario.
I was interviewed 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.
I applied via Job Portal and was interviewed before Jan 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
Easy DSA questions and some questions on resume
I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.
To get the second to last element from a SQL table, use the OFFSET-FETCH clause.
Use the ORDER BY clause to sort the table in descending order.
Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.
Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;
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