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Explain Star topology.
A network utilizes a star topology if each computer attach to a central point. The following figure demonstrates the concept:
Star Topology
Since a star shaped network resembles the spoke of a wheel, center of a star network is often termed as a hub. While practice, star network seldom have a symmetric shape in that the hub is located at identical distance from all computers. As an alternative a hub frequently resides in a location separate from the computers attached to this.
Draw and elucidate the block diagram of programmable interrupt controller 8259. The 8259A adds 8 vectored priority encoded interrupts to microprocessor. It can be expanded to 6
Any data storage device. This having of your CD-ROM drive, hard disk drive and floppy disk drive.
deque insertion and deletion ..
Combinatorial and Scheduling Problems: One class of problems is concerned with specifying optimal scheduled. A classical example is the Travelling Salesperson Problem where
Consider the following linear programming problem: Minimize: 70M + 40N Subject to: 3M + 7N ≥ 233 10M + 2N ≥ 254
Three firm capabilities that are critical for superior firm performance in e-commerce are:- 1. Information technology capability, 2. Strategic flexibility, and 3. Tr
a pcm has the following parameters a maximum analog input frequency of 4khz maximum decoded voltage at the receiver of 2.55v minimum dr of 6db compute minimum sampling rate,minimum
Q. Explain Hardwired control organization? In the hardwired organization control unit is designed as a combinational circuit. The control unit is applied by gates, flip-flops,
What is an I/O Interface? Input-output interface provides a method for transferring binary information among internal storage, like memory and CPU registers, and external I/O d
What are the largest UDP messages that can fit into single Ethernet frame? UDP utilizes IP for delivery. As ICMP UDP packet is encapsulated in IP datagram. Therefore entire UDP
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