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Q. Explain Read-only memory?
ROM is nonvolatile (because it maintains its contents even when its power is shut off) and is used to store data and programs that do not change during the operation of the system. The mask-programmed ROMs are read-only devices that are programmed for data storage during the manufacturing of the chip itself. These are generally less expensive devices for mass production. Character-font memory for laser printers is a good example. Programmable read-only memory (PROM) is a field-programmable memory that is fabricated by the manufacturer containing all 0s and is programmed irreversibly by the user by electrically changing appropriate 0s to 1s. PROMs are quite economical in small quantities. Erasable programmable read-only memory (EPROM) is nonvolatile and widely used in microprocessor systems for program storage. It can be erased by shining an ultraviolet light and reprogrammed if necessary. These are produced in lowtomoderate volumes.
Customer Data Management- Power Supply The concept of data warehouse and data mining could be extremely useful for the management of customer data. A data warehouse is a power
Q. Explain topology method used in LAN technology? Ans: LAN Topologies: Network topology is a physical schematic which demonstrates interconnection of the many users. Th
.coments on the limitation of the superposition theorem
What is the use of 8251 chip? 8251 chip is mostly used as the asynchronous serial interface among the processor and the external equipment.
Dc Circuits: In this unit, you have learned about methods of network analysis which are general in nature such as KCL, KVL, Nodal and Mesh analysis. These general methods may
What is expanded memory system? EMS: The area at location C8000H-DFFFFFH is frequently open or free. Such area is used for the expanded memory system into a XT or PC system, or
hi can you help with newton raphson?
Dielectric Heating Dielectric losses occur in insulating materials. These are same as hysteresis losses in magnetic materials. When an alternating electric field is a
Q. A 75-kVA transformer has an iron loss of 1 kW and a full-load copper loss of 1 kW. If the transformer operates on the following load cycle, determine the all-day efficiency:
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