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How many bits must be decoded for chip select? What is the size of decoder when 128 × 8 RAM chips are required to provide a memory capacity of 2048 bytes?Ans. All higher order lines will be applied to decoder input that means that total 128 (27) locations are there and all location can store 8 bits. The no. of inputs to the decoder will be 11 - 7 = 4. And the decoder size will be 4x16. All 16 decoder outputs will be connected to the chip select input of single chips.
Q. Explain Direct Addressing Mode with example? Direct Addressing Mode A direct operand signifies to contents of memory at an address referred by the name of the variable.
Encapsulation of OOA Encapsulation separates the interface of an abstraction from its implementation. By taking the above example i.e. of a car, we can now categorize them as:
Define Process Control Block (PCB). Process Control Block (PCB): Information related with each process is stored into Process control Block. a) Process state b)
Data Validation condition: The following condition stated below must be met for a data to be valid as is shown in the figure 3a below. 1. The data on the SDA line must remain stabl
Real time (transaction) processing In real time (transaction) processing files are generally updated in real time (for example when booking flights on an airplane); however in
Write a C program to sort in ascending order of n numbers. # include # include void main() { int a[25],no,i,j,m,t; clrscr(); printf("\nEnter Total number
Q. Physical characteristics and access mode of disk drive? Access Time: Access time is time needed between requests made for a read or write operation until the time data are
Used to interrupt CPU normal implementation routine and to get its attention .Mostly generated by an external devices, timers, counters...etc
Q. Hard and Soft Real Time Systems? Hard Real Time Systems that guarantee critical tasks are completed on time. Soft Real Time Systems that are less restrictive type o
Perform 2's complement subtraction of (7) 10 - (11) 10 . Ans. 2's Complements Subtraction of (7) 10 - (11) 10 Firstly convert the decimal numbers 7 and 11 to there binary e
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