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Q. What is Read-only-Memory?
Read only memory is an illustration of a Programmable Logic Device (PLD) it implies that binary information which is stored within a PLD is specified in some fashion and embedded within hardware. So information retains even when power goes.
Figure: ROM Design
Above figure (a) presents block diagram of ROM. It comprises 'k' input address lines and 'n' output data lines. An m ×n ROM is an array of binary cell arranged in m (2k = m) words of 'n' bits each. ROM doesn't have any data input since write operation is not defined for ROM. ROM is categorized as a combinational circuit and constructed internally with decoder and a group of OR gates. In general a m × n ROM (where m= 2k, k = no. of address lines) will have an internal k ×2k decoder and 'n' OR gate. Every OR gates has 2k inputs that are connected to each of the outputs of decoder.
Interfacing Subroutines with Parameter Passing Let's now write a C program which calls the assembly program for parameter passing. Let's extend the previous two programs such t
What are the facilities of a debug monitor? The facilities of a debug monitor are given below: a. Setting breakpoints into the program b. Initiating a debug conversation
Explain briefly any three of the commonly used code optimization techniques. 1. Common sub expression elimination: In given expression as "(a+b)-(a+b)/4", in such "common
The devices on the I2C bus are either masters or slaves. The master is the device that is responsible for driving the SCL clock line, while the slaves are the devices that respond
What is Monkey testing? The monkey testing is the process of testing here and there for judging the application trying to observe the accessing dissimilar functionalities is i
what is the importance of chemistry for computer engineering?
Micro-instructions are stored in control memory. Address register for control memory comprises the address of subsequent instruction which is to be read. Control memory Buffer Regi
What is big endian and little endian format? The name big endian is used when lower byte addresses are used for the more important of the word. The name little endian is used f
Currently microcontrollers are embedded within most products, typical uses are in Camera's for auto focus and display drivers, Laser printers to compute fonts and control printing.
Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks: 1) Binary Locks: These locks a
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