Significance of the twisting in twisted-pair cable

Twisted pair cables are of two types 1-         UTP (Unshielded Twisted Pair) 2-         STP (Shielded Twisted Pair) UTP: It is cost effective; the cost is the main advantage which it provides. Categories: There are 5 categories of UTP Category 1: Low speed data, fine for voice Category 2: Works for data transmission but up to […]

There are two layers of optical fiber, the inner layer and the outer layer. A data travel through inner layer which is consisting of central hollow material is known as core which is denser; it’s made of either glass or a plastic. This core is covered by a less dense material known as cladding the […]

Sky propagation is not limited to send signals to receivers, line-of-sight is dependent on direction, range and objects which may occur between sender and receiver. Sky propagation is not limited in sense of distance of source and destination and not restricted by being in range or in direction with antennas. In this case, signals are […]

Unable to find a ‘userdata.img’ file for ABI armeabi to copy into the AVD folder Sometimes we don’t notice that ARM EABI v7a System Image is not installed. Have a look on this snapshot: Follow these steps: Windows Android SDK Manager Check ARM EABI v7a System Image and install Thanks, Fahad

Each bus backbone connects three ring networks

Following four networks and consequences if a connection fails.   a. Five devices arranged in a mesh topology b. Five devices arranged in a star topology (not counting the hub) c. Five devices arranged in a bus topology d. Five devices arranged in a ring topology   Details:   a) Mesh Topology   If five […]

Problem Statement: Exchange of currency rates (Download) You are required to write a program for Currency Exchange rates. The basic idea is that user/reader will be able to interchange different currencies using our program. User will have three options i.e. Pakistani Rupees, US Dollars, and Euro.   Detailed Description: The program should display   Please […]

Big files are not uploading in IE? If you are facing the following problems: Images/Files are uploading but not being written on disk, when you check through ftp so files are not found on expected location Files are uploading when you check your module on Firefox but doesn’t work when check in IE8 or even […]