Binary coded decimal (BCD) is a way to express each of the decimal digits with a binary code. This means that each decimal digit, 0 through 9, is represented by a binary code of four bits. Eg: 98 => 10011000 Unpacking…

## Interview Experience – Qualcomm (On Campus)

This is an interview experience of Qualcomm, an American multinational semiconductor and telecommunications equipment company. This is an on campus placement experience and has been share by Mr. Anuj Kumar (BITS Pilani). Hey guys… I appeared for Qualcomm Interview from…

## Multiplication of 8-Bit Numbers in 8085 Microprocessor: Illustration of 3 Different Cases

8085 is a very basic microprocessor with the capability of limited arithmetic and logical operations. It has dedicated arithmetic instructions for addition, subtraction, increment and decrement. If we want to perform a multiplication operation then we need to write a…

## 180 nm, 90 nm, 45 nm…- What’s the difference?

Many of you might have worked on different VLSI technology nodes such as 180 nm, 90 nm, 45 nm etc. in circuit simulation tools like Cadence etc. With the invention and evolution of transistors, various technologies came into existence and…

## Step by Step Method to Design a Combinational Circuit

The Electronics engineers should know the steps to design a particular circuit. While we study, we directly study the properties of the electronic block and the circuit diagram of the corresponding block. We never think how had we landed up to that…

## Qualcomm Interview Question Bank – Part 4

Qualcomm Interview Question Bank continued from Part 3… Q : What is race-around condition? What is the solution for it? A : In JK flip-flop, when both J and K are 1, the state (output) of the flip-flop will oscillate…

## Qualcomm Interview Question Bank – Part 3

Qualcomm Interview Question Bank continued from Part 2… Q : What is the difference between latch and flip-flop? A : The main differences between latch and flip-flop can be understood here. Q : What is the Nyquist rate condition and condition…

## Qualcomm Interview Question Bank – Part 2

Qualcomm Interview Question Bank continued from Part 1… Q : Draw the circuit diagram for a random number generator. A : Following are the circuits for a random number generator (RNG), (i) using IC 555 timer, IC 4026 and 7-segment,…

## Qualcomm Interview Question Bank – Part 1

In the campus placement season, it is better if we get company specific questions to prepare for the selection process. So, to help you out, we have already posted Question Banks for some core ECE companies and now, let us…

## Getting started with TLM 2.0 – Introduction and Basic Constructs

The TLM 2.0 transaction level modeling standard from the Open SystemC Initiative (OSCI) was released on 9th June 2008. Transaction-level modeling (TLM) is a high-level modern approach to modeling digital systems. That modeling is based on the abstraction of the…