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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.
Q. What are the advantages of an RC coupling over a direct coupling? Draw a basic Rc coupling network and explain. Figure -RC-coupled transistor amplifier The network
1. The rejection criteria of an investment project, as evaluated from the NPV method is that NPV should be equal to zero. 2. Technical feasibility is the only criteria to dete
Q. Determine briefly subscriber loop system. Give some technical specification for subscriber lines. Ans: Subscriber Loop System: Each subscriber in a telephone network is
Return Instructions These instruction are used to transfer the program sequence from subroutine to the calling program. Basically it restores the previous contents of th
Development tool for SDR i.e software defined radio
Why we provide the short circuit and open circuit test in transformer
Q. A silicon diode is forward-biased with V = 0.5 V at a temperature of 293 K. If the diode current is 10 mA, calculate the saturation current of the diode.
Q. What do you mean by Digital Building Blocks? Whereas a continuous change from one value to another is the essential characteristic of an analog signal and continuous-state (
Discuss MACRO assembler directive with example. MACRO: A sequence of instructions to that has a name is assigned is termed as macro. Macros and subroutines are the
Q. The voltage wave form of Figure is applied to an RLC series circuit with R = 2, L = 2H, and C = 1 F. Obtain i(t) in the series circuit. (Note that the capacitor and inductor va
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