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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)).
Difference between Visual check and Parity check Visual check This is checking for errors by comparing entered data with original document (NOTE: this is not the same as
The dataset provided in this assignment contains a collection of real DNA sequences. The number of true binding sites is quite limited and that makes the problem challenging. In ma
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In MS-DOS device drivers are installed and loaded dynamically it implies that they are loaded into memory when computer is started or re-booted and accessed by operating system as
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In a virtual memory system, the addresses used by the programmer refers to (A) Memory space. (B) Physical addresses. (C) Address space. (D) M
example of data dictionary
Explain pass-1 algorithm of passes used in two-pass assembler? Pass I: (i) Separate the symbol, operand fields and mnemonic opcode (ii) Make the symbol table (iii)
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