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What is Random access memory (RAM)
This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Before a program can be ran it should first be loaded into RAM that allows CPU to access the program. Battery-backed RAMs overcome data loss on switching power off though are outside the scope of these booklets.
(NOTE: For completeness, it's worth mentioning that two types of RAM exist termed as SRAM (static RAM) and DRAM (dynamic RAM) - SRAM doesn't need to be constantly refreshed to retain its memory unlike DRAM. Also consider that computers use cache which is a part of memory made from SRAM. Memory caching works as programs generally access the same data or instructions over and over again. By retaining as much information as possible in SRAM, computer operates more quickly (cache is generally termed level 1, 2 or 3 (termed L1, L2 or L3)).
Why IO devices cannot be connected directly to the system bus? Ans: The IO devices can't be directly connected to the system bus because the following reason A) The data tra
Classification of Pipeline Processors In this part, we explain various types of pipelining that can be useful in computer operations. These types depend on the following factor
Q. Write a Menu driven program to convert the given Decimal number into Binary, Octal and Hexadecimal number. (Fractional numbers are allowed)
Is the TCP checksum necessary? Yes, TCP Checksum is essential. TCP layer is liable for error detection, transmission of packets if needed, error control, reassembly of packe
What is a Region? A Region is a continuous area of a process's address space (like text, data and stack). The kernel in a "Region Table" that is local to the process mainta
what is interference of light explain the nessicity of coharent source for obtaining sustain interference pattern
Implement the Y(A, B, C) = ∑(2,3,5,6) function using 4-to-1 multiplexer. Ans. Y(A,B,C)=∑(2,3,5,6) Here we take B,C as the select bits also A as input. To select the input we can
Q. Explain Parameter Passing in Procedures? Parameter passing is a very vital concept in assembly language. It makes assembly procedures more general. Parameter can be passed t
Q. Explain Segment Registers in bus interface unit? These are very significant registers of CPU. Why? We will answer this later. In 8086 microprocessor memory is a byte organiz
What are threaded binary trees? A Threaded Binary Tree is a binary tree in which each node that does not have a right child has a THREAD (in real sense, a link) to its INORDER
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