Quest Global Firmware Developer Interview Questions and Answers

Coding Questions on REGEX, Dictionaries, Strings, Unit test coding.

Q1. What are storage class
Ans. 
Storage classes in C specify the scope and lifetime of variables.
• Storage classes include auto, register, static, and extern.

• Auto variables are local to a block and have automatic storage duration.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared in one file and can be used in another file.
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Q2. Explain structure program
Ans. 
A structure program is a program that uses structures to group related data together.
• Structures in C programming allow you to group related data together under one name.

• You can define a structure using the 'struct' keyword.

• Structures can contain different data types, including int, float, char, and even other structures.

• You can access the members of a structure using the dot operator.

• Example: struct employee { int id; ...read more
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Q1. What is registers in computer system
Ans. 
Registers are small, fast storage locations within the CPU used to store data temporarily during processing.
• Registers are used to store data that is being processed by the CPU.

• They are the fastest form of memory in a computer system.

• Registers are used to hold instructions, memory addresses, and data.

• Examples of registers include the program counter, accumulator, and general-purpose registers.
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Q2. What is bios in computer system
Ans. 
BIOS stands for Basic Input/Output System, a firmware used to perform hardware initialization during the booting process of a computer system.
• BIOS is a firmware that is stored on a chip on the computer's motherboard.

• It is responsible for initializing and testing hardware components during the boot process.

• BIOS provides the necessary instructions for the computer to start up and load the operating system.

• It also provide...read more
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Q3. What is the difference between RAM and ROM
Ans. 
RAM is volatile memory that stores data temporarily, while ROM is non-volatile memory that stores data permanently.
• RAM stands for Random Access Memory and is used for temporary storage of data that can be read and written to.

• ROM stands for Read-Only Memory and is used for permanent storage of data that can only be read from.

• RAM loses its data when power is turned off, while ROM retains its data even when power is off.

• E...read more
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Q4. Difference between Microprocessor and Microcontroller
Ans. 
Microprocessor is a standalone CPU while microcontroller includes CPU, memory, and peripherals on a single chip.
• Microprocessor is typically used in general-purpose computing applications, while microcontroller is used in embedded systems.

• Microprocessor requires external components like memory and peripherals, while microcontroller has them integrated on the chip.

• Examples of microprocessors include Intel Core i7, while ...read more
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Q1. What is your expected CTC
Ans. 
My expected CTC is negotiable based on the role, responsibilities, and benefits offered.
• My expected CTC is based on industry standards and my level of experience.

• I am open to discussing the compensation package during the interview process.

• I am looking for a competitive salary that reflects my skills and contributions to the team.
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Q2. Do you have previous experience
Ans. 
Yes, I have previous experience in post silicon validation.
• I have worked as a Post Silicon Validation Engineer for 3 years at XYZ company

• I have experience in developing validation test plans and executing them

• I have worked on debugging and troubleshooting silicon issues

• I have experience in using lab equipment such as oscilloscopes and logic analyzers
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Q3. Tell me about yourself
Ans. 
I am a dedicated and detail-oriented Post Silicon Validation Engineer with a strong background in testing and troubleshooting semiconductor devices.
• Experienced in developing validation plans and test cases

• Proficient in using lab equipment such as oscilloscopes and logic analyzers

• Skilled in debugging and analyzing test results to identify issues

• Familiar with programming languages like Python and C for test automation
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Embedded c 15 question and c language programming

Q1. Basically focaus on c laguage
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Very easy, basic questions

Written test
C programming

Q1. Questions in Embedded C, and about microcontrollers we have worked with
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