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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.
Objective of Long-Term Plans for Technical Loss Reduction The primary objectives of strengthening and improvement of sub-transmission and distribution system in the long-term
Fermi Level Electrons in solids obey Fermi-Dirac (FD) statistics. This statistics accounts for the indistinguishability of the electrons, their wave nature, and the
Wiring a Plug : Let us consider the problem of connecting a 16 A plug, commonly known as 15 A or power plug to an electrical appliance. Do you use any old bit of wire, or any
Explain the various modes in which DMAC works. Working of Direct memory access controller: The modes of operation has demand mode, block mode, single mode and cascade mode.
Architecture of 8085 Microprocessor The 8085 microprocessor is an 8 bit general purpose microprocessor. 8 bit processor means it can read write and process 8 bit data
Magnetic materials
We can use Ampere's Law to calculate the magnetic field in the core.
Interrupt latency refers to the amount of time among when an interrupt is triggered and when the interrupt is observe by software.
RIM Read Interrupt Mask Instruction This instruction is used to read the status of interrupts and read the serial input data. The status byte is loaded into the accu
An induction motor has a starting current that is 6 times the full-load current and a per-unit full- load slip of 0.04. The machine is to be provided with an autotransformer starte
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