what are the i-phone’s secrets?

Now a days everyone has Iphone. Using Iphone is like showing there status and brand image to others, but so many Iphone users don’t know about some of short cuts and hidden secret features, so this may help them how to use shortcut and some hidden secrets in Iphone.

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HOW RFID WORKS ?

This post aims to bring in the basics of how the card works .Let’s look at some of them. The RFID cards have some electronically stored information. Some of the RFID tags are powered only when they are introduced near the radars (Through the principle of electromagnetic induction).

How it

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HOW TO CLEAN A TOUCH SCREEN USING MICROFIBER CLOTH?

Here is the post about the simple steps to clean the touch screen of your mobile and devices. Maybe the fingerprint trail for the latest, must have game you are addicted to lies on your screen.  Regularly cleaning your cell phone, tablet, MP3 player’s touchscreen, or any other touch screen … Read the rest

HOW TO MAKE A DECISION BEFORE PURCHASING A HOME THEATER PROJECTOR?

Home theater projectors gives a new meaning to movies, television programs, and games than ordinary television. Projectors have larger screen, flexibility to move around, and high quality images.When shopping a home theater projector, there are a lot of technical things need to be considered. This post will help the shoppers … Read the rest

HOW LCD DISPLAY WORKS?

Here is the post about the working of LCD display. You may know about LCD but here is the details about the working of LCD display. Just read and know its working. LCD is abbreviated by liquid crystal display. liquid crystal display can be made with the compounds like cholesteryl … Read the rest

HOW TO MAKE PAPER BATTERY?

Here is the post about the making of paper battery. Paper Battery is a flexible, ultra-thin energy storage and production device. It is formed by combining  carbon nano tubes with a conventional sheet of cellulose based paper. This combination allows the battery to provide both long steady power production and … Read the rest

HOW TO COMPARE 8086 FROM 8088 MICROPROCESSOR ?

Comparison between the 8086 and 8088 micro processors:

Let us now consolidate few comparisons between these two processors one by one:pin_diagram_of_8086cpu_8088

  • The 8086 has the same arithmetic logic unit, the same register set, and the same instruction set as the 8086.
  • The 8088 has a 4-byte instruction queue in BIU
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ARCHITECTURE OF 8051 MICROCONTROLLER

Introduction:

The 8051 is a stand-alone high performance micro-controller intended for use in sophisticated real time applications, such as instrumentation, industrial control, automobiles, and computer peripherals.

It provides extra features like interrupts, bit addressing, and an enhanced set of instructions which make the chip very powerful and cost effective.

The … Read the rest

HOW TO TEST AND DEBUG THE SYSTEM ?

This post explains about the testing and debugging of systems.

thp

SYSTEM TESTING   :

The system test is a series of tests conducted to fully the computer based system. They consist of various types of system tests are recovery testing, security testing, stress testing, performance testing. Their system installation in the … Read the rest

HOW TO BUILD A FLASH LIGHT?

Flashlight Mechanism :

The generator uses a stepper motor and an attached spring loaded crank mechanism. On pressing the crank button the connected geared wheel mechanism integrated with the stepper motor forces it to rotate with full momentum (anticlockwise), and releasing the button forces the shaft to rotate move upwards … Read the rest

WHAT ARE THE WONDERS OF X-RAYS ?

Introduction:

                       X-ray is invisible electromagnetic radiation. Their wavelengths are smaller than those of the visible light. They are high –energy rays, have high penetrating power and travel at the speed of light. They can also pass through the flesh of human beings and animals.
                        A German Scientist, Professor Wilhelm Conrad Read the rest

HOW DOES CELLPHONE JAMMER WORKS ?

Her we see how does Cellphone Jammer works.

Introduction

cellphone jammer is a device that creates a temporary dead zone to all cellphones on nearby it.

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Block diagram of cellphone jammer:

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 Circuit Diagram of cellphone jammer:

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let’s see what are inside in each section

POWER SUPPLY IN CELLPHONE JAMMER:

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HOW DOES THE WIRELESS COMMUNICATION WORKS ?

INTRODUCTION:

Wireless communication is a transfer of information or data between one user to another user. They are not connected by an electrical conductor. All the information are transfer to signal.

The most common wireless technology use radio. The radio waves distance should be short such as few meters. The … Read the rest

HOW TO USE THE VIRTUAL MEMORIES ?

 Introduction:

In most modern computers, the physical memory is not so large to accommodate very large programs. The size of the main memory is a typical computer ranges from a few hundred megabytes to 1G bytes. When a program is completely fit into the main memory the parts of it … Read the rest

How INTEL 8086 SYSTEM CONFIGURATION

  • The configuration of 8086 Intel system consists of 8284 clock generator, 8286 bus transceiver and 8282 latch for minimum mode. The 8288 bus controller chips used for maximum mode.The 8282 latch is used to demultiplux the address/ data bus lines to two separate address and data buses.The ALE signal acts
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HOW THE KEYBOARD AND DISPLAY INTERFACED WITH COMPUTER ?

how keyboard works with computer

The interfacing of keyboard and LED display with the microprocessor. The interfacing of seven segment LED displays both in serial and parallel modes .

#keyboard

A keyboard consists of many key switches used for entering data, information, etc. If any key is pressed in keyboard and the location of the … Read the rest

HOW MULTIPLE ACCESSING CAN BE DONE ?

How multiple accessing can be done ?

How multiple accessing can be done ? IN ELECTRICALS

Hello friends, you are most welcomed to my post, this post explains about the access mechanism of the network. A limited amount of bandwidth is allocated for the wireless services. Multiple access means the multiple user can be allowed to use the finite … Read the rest

HOW DOES LIGHT EMITTING DIODE WORKS ?

Hello friends , you are welcome to my post . This post explains about the light emitting diode (LED) . Light source is the active component in fiber optical system . It converts electrical energy into optical energy . Let us discuss about the various light sources . The LED … Read the rest

HOW FIBER CABLE ARE JOINED AND CONNECTED ?

Hello friends , you are most welcomed . Through this post i explain about  the fiber cable . In communication system , the fiber optics links are common which required in the form of connectors  . They are splicing and connector . To carry the information for a very long … Read the rest

HOW TO CLASSIFY LOGIC GATES ?

Hi, there are so many confusions while we are initially studying about logic gates. Here is the explanation about basic logic gates which gives exact definition..

The basic logic gates includes AND GATE, OR GATE, NOT GATE, NAND GATE, NOR GATE, X-OR GATE. Here NAND and NOR gates are known … Read the rest

HOW IS THE GENERATION OF COMPUTERS ?

Generation of Computer:

The generation of computer is the first, second, third, fourth, and fifth generation. In early the arithmetic operation is used to calculate “ABACUS” method. “ABACUS” is a latin word which means flat surface.

First Generation(1945-1954):

The computers uses the vacuum tube and relay memories interconnected with insulated … Read the rest

HOW IS AMPLITUDE MODULATION WORKS ?

AMPLITUDE MODULATION:

Amplitude Modulation stations were the earliest broadcasting stations. It is developing one.Amplitude Modulation have a modulation and demodulation process. It is a single Band suppressed carrier. The input signals are message signal and carrier signal. These two signals are combined to process the modulation and demodulation.

AM is … Read the rest

HOW SOLAR CELLS ARE WORKING?

working of solar cells

The direct conversion  of solar energy into electricity is done by the photovoltaic effect. The basic unit of photovoltaic system is the solar cell . Solar cell is made from a single crystal silicon. The solar cell is a semi-conductor device. It generates voltage when sunlight falls on it. The … Read the rest

HOW IS THE ARCHITECTURE OF MICROPROCESSOR 8086 ?

What is 8086 Architecture??

The 8086 ia a 16 bit microprocessor with a 20 bit address bus and 16 bit data bus. Thus it can directly access the (1 mb) memory location can read and write 8 bit or 16 bit data to memory.
The 8086 is a 5Mhz clock. … Read the rest

HOW TO REDUCE NOISE IN COMMUNICATION SYSTEMS

There are three primary causes for the contamination of noise in the detected bit stream.The first is the noise associated with the quantisation of an analog signal to a discrete form. The second source of noise is the effect of filtering at the transmitter , communication channel and receiver , … Read the rest