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The most common type of non-volatile memory is the ROM device. This device is read only and the data is masked into the chip during manufacture. Variations of the ROM are one off programmable ones (PROM), erasable ones (EPROM) using UV light, electrical erasable ones (EEPROM). These devices allow the user to blow them with programs and re-program if incorrect. As engineers we will often use the EPROM version, the pinning details are shown below
The internal structure of the EPROM is similar the SRAM, but does not require a write pin; it employs light sensitive fuses to hold the data.
The actual device has a window in it, this enables the device to be cleaned using UV light, usually this window is covered up to prevent slow eraser by normal light.
Define underflow and overflow. Underflow: If the result the arithmetic operation including n-bit numbers is too small to show by n-bits, underflow is said to occur. Overflow
ALE-> Address latch enable...In the case of microcontroller (8051)& microprocessor 8085 the data line and low order 8 bit address lines are multiplexed. In order to getting address
The conversation speed of an analog to digital converter is maximum with which technique? Ans. With parallel comparator AD converter technique the conversation speed of an ana
We also need to know, given a cell, which of its neighbours has all of its walls intact. Write the function wallsintact that accepts the grid and a list of neighbouring cells and r
How is EISA bus different from ISA bus? Extended Industry Standard Architecture (EISA) is a 32 bit modification to ISA bus. As computers became larger and had wider data buses,
Sun and Ni's Law The Sun and Ni's Law is a generalization of Amdahl's Law as well as Gustafson's Law. The fundamental idea underlying the Sun and Ni's Law is to find the soluti
What is the role of MAR and MDR? The MAR (memory address register) is used to hold the address of the location to or from which data are to be transferred and the MDR(memory d
a. What is the difference among character and block devices? b. Discuss the method to make a Kernel Driver for the PC Speaker. c. Explain the socket structure with the help o
Question : 1. Define the term Color Depth. Explain how it impacts on image quality and file size. 2. Using an appropriate example, explain when you will consider using GIF
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
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