Cerium Systems
Titan Engineering & Automation Interview Questions and Answers
Q1. What is a diode?,can you expalin about power amplifiers?
A diode is an electronic component that allows current to flow in one direction only. Power amplifiers are electronic devices that increase the power of a signal.
A diode is made up of a p-type and n-type semiconductor material.
It is commonly used in rectifiers, voltage regulators, and signal demodulators.
Power amplifiers are used to increase the power of a signal, such as in audio systems or radio transmitters.
They can be classified as Class A, B, AB, or C amplifiers dependin...read more
Q2. What is race around condition and how can you overcome ?
Race around condition occurs when two or more signals are changing at the same time, leading to unpredictable output. It can be overcome by using flip-flops.
Race around condition is a digital logic problem that occurs when two or more signals change at the same time, leading to unpredictable output.
It can be overcome by using flip-flops, which store the input signal and only change the output signal when the clock signal changes.
For example, in a counter circuit, if the clock...read more
Q3. What is c language? , what is pointer?, what dynamic memory?
C is a programming language used for system programming. Pointers are variables that store memory addresses. Dynamic memory is memory allocated during runtime.
C is a low-level language used for system programming
Pointers are variables that store memory addresses
Dynamic memory is memory allocated during runtime
Pointers are used to manipulate memory and improve performance
Dynamic memory allocation is done using functions like malloc() and calloc()
Q4. Which protocols do you know and explain about it ?
I know about various protocols such as TCP/IP, HTTP, FTP, SMTP, etc. that are used for communication over networks.
TCP/IP is a suite of protocols used for communication over the internet.
HTTP is used for communication between web servers and clients.
FTP is used for file transfer between computers.
SMTP is used for email communication.
Other protocols include DNS, SSH, Telnet, etc.
Q5. What is counter, explain about synchronous counters?
Synchronous counters are digital circuits that use clock signals to synchronize the counting process.
Synchronous counters are also known as parallel counters.
They use flip-flops to store the count value.
The clock signal is applied to all the flip-flops simultaneously.
Synchronous counters are faster and more reliable than asynchronous counters.
Examples of synchronous counters include binary, decade, and BCD counters.
Q6. What is difference between filpflop and latch?
Flip-flop is clocked while latch is level triggered.
Flip-flop is edge-triggered while latch is level-triggered.
Flip-flop stores data on the rising or falling edge of the clock signal.
Latch stores data when the enable signal is high.
Flip-flops are used in synchronous circuits while latches are used in asynchronous circuits.
Examples of flip-flops are D flip-flop, JK flip-flop, T flip-flop. Examples of latches are SR latch, D latch.
Q7. Can you expalin about johnson counter?
Johnson counter is a type of shift register circuit used in digital electronics.
It is a synchronous counter with a feedback path.
It has a sequence of states that are repeated in a cyclic manner.
It has a maximum count of 2^n where n is the number of flip-flops used.
It is used in applications such as frequency division, digital clocks, and sequence generation.
Example: A 4-bit Johnson counter has 8 states and can be used to generate a sequence of 8 different outputs.
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