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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)).
Explain about the term E-Cash. E-cash is cash demonstrated by two models. E-cash has one is on-line form of e-cash, that is introduced by DigiCash that permits for the completi
Summary of Tasks The Task Summary tries to shows the amount of duration each task has spent starting from initialization of the task till its completion on any processor as d
Design an algorithm (using pseudocode) that takes in as an input, two 2-D int arrays that are assumed to be 2 black-and-white images: initialImage x, whose dimensions are IxJ, and
Consider the following page reference and reference time strings for a program: Page reference string: 5,4,3,2,1,4,3,5,4,3,2,1,5,..... Show how pages will be allocated using t
The hexadecimal number for (95.5) 10 is ? Ans. (95.5) 10 = (5F.8) 16 Integer part Fractional part 0.5x16=8.0
Security features used in Client-Server types of network are as follows : i) Digital Signatures ii) Encryption / Decryption iii) Secure Socket Layer (SSL) iv) Firewa
Sript-Fu is the first GIMP scripting extension. Extensions are split processes that communicate with the GIMP in the similar way that plug-ins do. The distinction is that extension
What is a parallel port? A parallel port transfers data in the form a number of bits, typically 8 to 16, concurrently to or from the device.
What is a spanning Tree? A spanning tree is a tree associated with a network. All the nodes of the graph appear on the tree once. A minimum spanning tree is a spanning tree
The six several application of stack in computer application is: 1. Conversion of infix to postfix notation and vice versa. 2. Evaluation of arithmetic expression. 3.
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