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DEC :
A powerful new Alpha 64 bit RISC computer chip was introduced in the year 1977, as new VAX (Virtual Address Extension) Computer. The VAX was 32 bit computer line based on operating system, called VMS. This new computer system was more powerful and had better time-sharing capabilities than past DEC systems DEC net networking technology-enabled customers to attach different types of DEC computers together from small workstations to large corporate servers.
As the 80s drew to a close DECs were not IBM compatible and were designed as a way for users to attach to DEC server systems rather than stand-alone products. And DEC manufactured all the components for its PCs, resulting in systems that were much more costly than other PC vendors.
From 1984 to 1988 DEC developing its own RISC chip, the PRISM. By using these chips, DEC introduced a UNIX workstation running on its own UNIX, Ultrix
The RISC chips are to be utilized in these new VAXes was a new 64 Bit chip, designed by DEC, code-named the Alpha.
Intel's 8237 DMA controller : 1) The 8237 contain 4 independent I/O channels 2) It contains 27 registers, 7 of which are system-wide registers and 5 for each channel. 3)
Write a program to do the following: 1. Print your name 2. Using a bottom testing loop, prompt the user to enter a number from 1 to 5. If the number entered is not 1..5, pri
LABEL : The Label directive which is used to assign a name to the current content of the location counter. At the beginning of the assembly process, the assembler start a loca
add the contents of the defined memory locations 120, 133, 122 using mov instruction in dosbox
1. Write a program that will generate an array of ten random 32-bit integers, and that will display on the monitor the numbers followed by either the words " has the fourth bit se
given a sentence, find the number of times a particular character or word appear. the sentence is to be entered by the user
1. Write an assembly program that adds the elements in the odd indices of the following array. Use LOOP. What is the final value in the register? array1 DWORD 10, 20, 30, 40, 50, 6
Format of Control Register The format for the control register is given in Figure. Bit 0 of this register might be one before data may be output and bit two might be one
DAS: Decimal Adjust after Subtraction:- This instruction converts the result of subtraction operation of 2 packed BCD numbers to a valid BCD number. The subtraction operation has
Using the following table as a guide, write a program that asks the user to enter an integer test score between 0 and 100. The program should display the appropriate letter grade.
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