Author: vlsifacts

Interview Experience – WIPRO GMT (Global Media & Telecom ) – (On Campus – #2)

January 13, 2016May 18, 2025 vlsifacts No Comments

I am Jitendra Kumar Yadav, Jaypee Institute of Information Technology. This is my interview experience for the post of Project Engineer at Wipro Limited. I have described my selection process for the mentioned post in the following content. Check here the first post on “Interview Experience – WIPRO Limited – Telecom Domain“ Technical Interview First of all I…

Interview, Interview Experience

Digilent Design Contest 12th Edition

November 6, 2015May 18, 2025 vlsifacts No Comments

Do you love to play with FPGAs? If yes, then there is a golden opportunity to showcase your talent. Digilent Design Contest Europe Region has reached its 12th Edition, with a rich history behind, many interesting and cool projects along the years, many smart and competitive participants, as well as appreciated advisers. It is held in Cluj-Napoca, Romania,…

Notifications

Circuit Design of a 4-bit Binary Counter Using D Flip-flops

November 5, 2015June 16, 2025 vlsifacts 22 Comments

Problem Statement: Design a circuit for an edge triggered 4-bit binary up counter (0000 to 1111). When it reaches “1111”, it should revert back to “0000” after the next edge. Use positive edge triggered D flip-flop (shown in the below figure) to design the circuit. Pin Input / Output Description D Input Data Input CLK…

Digital Electronics

Different Applications of Microcontroller

October 26, 2015May 18, 2025 vlsifacts No Comments

Microcontroller is termed as “Computer-on-a-Chip“. It is named so, because not only the CPU, but RAM, ROM, I/O ports, Timer/Counter, Serial I/Os all are put together on a single microcontroller chip. Microcontrollers are task specific and are essentially used for making Embedded Systems. The above image shows very few examples for the application of microcontrollers…

Embedded System

Difference between Microprocessor & Microcontroller

August 13, 2015May 18, 2025 vlsifacts 1 Comment

When someone start dealing with Microprocessor; a very common doubt always strikes out in the initial phase: “What is the difference between Microprocessor and Microcontroller?” Let’s Define both microprocessor and microcontroller and then we will compare them. Microprocessor: We mean by a microprocessor that all the components of a CPU (Central Processing Unit): ALU (Arithmetic Logic…

Embedded System

Addition of 16-bit Numbers in 8085

August 11, 2015May 18, 2025 vlsifacts 1 Comment

This post would present you with assembly language program for 16-bit addition in 8085 microprocessor. The following Hex Code is a generic one for both no-carry and carry generation situation. // Manually store 1st 16-bit number in the memory location 2000H & 2001H in reverse order // For Example 1st number = B349H; i.e, 2000<-49H…

8085 uP, Embedded System

Addition of 8-bit Numbers in 8085

August 11, 2015May 18, 2025 vlsifacts No Comments

This post would present you with assembly language program for 8-bit addition in 8085 microprocessor. We will consider 2 different cases of addition (i) Addition of two 8-bit numbers generating no carry (ii) Addition of two 8-bit numbers generating a carry Addition of two 8-bit numbers generating no carry // Manually store 1st number in the memory…

8085 uP, Embedded System

NAND and NOR gate using CMOS Technology

August 4, 2015May 16, 2025 vlsifacts 14 Comments

For the design of any circuit with the CMOS technology; We need parallel or series connections of nMOS and pMOS with a nMOS source tied directly or indirectly to ground and a pMOS source tied directly or indirectly to Vdd. A basic CMOS structure of any 2-input logic gate can be drawn as follows: 2…

VLSI Circuits, VLSI Technology

Classification of Semiconductor Memories and Computer Memories

July 22, 2015May 18, 2025 vlsifacts No Comments

Memory devices are something which retain data for a time period just like human brain. This post classifies the Semiconductor Memories and maps different memory devices to Computer Memories. Semiconductor Memories Semiconductor Memories can be classified based on two different characteristics: (i) Access Type (ii) Data Retention Capability Note: Hard-Disk, CD, DVD, Floppy-Disk, Magnetic Tape are also…

Memory Devices, VLSI Technology