GLOBALFOUNDRIES Engineer Interview Questions and Answers

Broadcom is a global technology company that designs, develops, and supplies semiconductor and infrastructure software solutions.

• Broadcom is headquartered in San Jose, California.

• The company was founded in 1991.

• Broadcom's products are used in various industries, including networking, storage, broadband, wireless, and industrial.

• Some of Broadcom's notable products include Wi-Fi chips, Bluetooth chips, and Ethernet switc...read more

Broadcom is a leading technology company with a strong reputation for innovation and growth.

• Broadcom has a diverse portfolio of products and services that align with my interests and skills.

• Broadcom has a strong track record of success and growth, which provides opportunities for career advancement.

• Broadcom values its employees and fosters a culture of collaboration and innovation.

• Broadcom is a leader in the industry a...read more

Planning to pursue a master's degree in engineering.

• Researching universities with strong engineering programs

• Preparing for standardized tests like GRE

• Networking with alumni and professionals in the field

• Applying for scholarships and financial aid

• Considering online or part-time programs for flexibility

A 2 to 1 mux can be designed using logic gates or multiplexer ICs.

• A 2 to 1 mux has 2 inputs and 1 output.

• It selects one of the inputs based on the value of the select input.

• The truth table for a 2 to 1 mux can be used to design the circuit.

• Multiplexer ICs like 74HC153 can be used to implement the design.

• The output of the mux can be connected to a logic gate or another mux for further processing.

Designing a memory organization based on size and block units.

• Determine the size of the memory and the size of each block unit

• Choose a suitable memory organization scheme such as direct mapping, associative mapping, or set-associative mapping

• Implement the chosen scheme and test for efficiency and accuracy

A random number generator circuit diagram can be created using a noise source and an amplifier.

• Use a noise source such as a Zener diode or a reverse-biased transistor

• Amplify the noise signal using an amplifier circuit

• Use a comparator to convert the analog signal to a digital signal

• Add a clock circuit to control the output frequency

A Schmitt trigger/inverter is a circuit that converts a noisy input signal into a clean digital output signal.

• It has two threshold voltage levels: a high threshold and a low threshold

• The output of the circuit changes state only when the input voltage crosses one of the threshold levels

• It is commonly used in digital circuits to clean up noisy signals and to provide hysteresis

• Examples include debouncing switches, signal ...read more

To optimize power usage/delay in AND gates, arrange inputs based on their capacitance and resistance.

• Arrange inputs with lower capacitance and resistance closer to the gate

• Inputs with higher capacitance and resistance should be placed farther away

• Consider the layout of the circuit and the routing of the wires

• Simulation tools can be used to determine optimal input arrangement

Answering a question on drawing CMOS circuit and W/L sizing for a given logic equation.

• Understand the logic equation and its truth table

• Use CMOS inverter and NAND gates to implement the logic

• Size the transistors based on their role in the circuit

• Check the circuit for correct functionality

• Examples: AND gate, OR gate, XOR gate

A circuit for a set of logic equations using PLA

• PLA stands for Programmable Logic Array

• PLA is a type of digital circuit used to implement combinational logic circuits

• The circuit consists of an AND array and an OR array

• Inputs are fed into the AND array and the outputs are fed into the OR array

• Example: A PLA circuit for a 2-input XOR gate would have 2 inputs, 2 AND gates, and 1 OR gate

Draw output waveforms for a logic circuit given delays for gates and wires.

• Identify the logic gates and their delays

• Determine the propagation delay for each wire

• Use the delays to calculate the output waveform

• Draw the waveform using a timing diagram

Design a circuit to get an output of frequency f/3 from a clock waveform of frequency f.

• Use a counter to divide the frequency by 3

• Implement a flip-flop to toggle the output

• Use logic gates to control the counter and flip-flop

My M.Tech. project was focused on developing a machine learning algorithm for predicting stock prices.

• Used historical stock data to train the algorithm

• Implemented various machine learning techniques such as regression and neural networks

• Achieved an accuracy of 80% in predicting stock prices

• Explored the impact of news articles on stock prices

Qualcomm is a multinational semiconductor and telecommunications equipment company.

• Founded in 1985 in San Diego, California

• Specializes in designing and manufacturing wireless telecommunications products and services

• Known for their Snapdragon processors used in smartphones and other mobile devices

• Also involved in developing 5G technology and Internet of Things (IoT) devices

• Has partnerships with various companies includi...read more

Yes, I have worked in groups on various projects.

• I have worked in groups during my college projects.

• I have also worked in groups in my previous job on a software development project.

• In both cases, we had to collaborate and divide tasks among team members.

• We had regular meetings to discuss progress and address any issues.

• I found that working in a group allowed us to leverage each other's strengths and produce better res...read more