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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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I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
I appeared for an interview in Sep 2020.
I applied via Approached by Company and was interviewed before May 2021. There were 3 interview rounds.
Multiple choice questions
I appeared for an interview before Oct 2021.
A nested list is a list that contains other lists as its elements.
Nested lists can be created using square brackets and separating the elements with commas.
Elements of a nested list can be accessed using indexing and slicing.
Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
Accessing element 5: my_list[1][1]
A queue is a data structure that follows the First In First Out (FIFO) principle.
Elements are added to the back of the queue and removed from the front.
Example: A line of people waiting for a movie ticket.
Operations: Enqueue (add element to back), Dequeue (remove element from front), Peek (view front element)
posted on 13 Dec 2021
I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in May 2021. There were 4 interview rounds.
I appeared for an interview in Sep 2017.
I applied via first naukari and was interviewed before Oct 2020. There were 4 interview rounds.
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