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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.
Status Signals There are three status signals IO/M s and s 1 . All these signals are output signals. IO/ M - it is a status signals used to distinguish whether the
GIS Benefits: Improving financial viability. Reduction of T&D losses. Improving customer satisfaction. Raising reliability of power supply. Improving qual
Phenomenon - Fet operation: For either improvement- or depletion-mode devices, at drain-to-source voltages very much less than gate-to-source voltages, changing the gate volta
Mention how do the following instructions differ in their functionality SUB: It performs changes the destination operand and the subtraction operation. CMP: Comparison instr
operation and application of Class AB amplifiers
A capacitor is charged to 100 V and then discharged by a 50 kΩ resistor. If the time constant of the circuit is 0.8 s, verify: (a) The value of the capacitor, (b) The time
Extrinsic Material In addition to thermally generated carriers, it is possible to create carriers in the semiconductor by purposely introducing impurities into the crystal
Question : a) State six desirable requirements of a generic photo-detector. b) A gallium arsenide pin photo-diode has an intrinsic layer of width 1 μm. The diode is revers
show a schematic diagram of michelson interferometer
Q. Explain working of Ring Topology? Ring Topology: In ring topology, all user nodes are connected with physical path acting as links of a chain and last user node is co
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