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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)).
What happens to logic after synthesis, which is driving an unconnected output port that is left open (, that is, noconnect) during its module instantiation? An unconnected out
Write "heterogeneous" functions If a program uses simulated, dynamically allocated multidimensional arrays, it becomes possible to write "heterogeneous" functions which don't h
Drawback of these electromechanical and mechanical computers The basic drawback was: Inertia/friction of moving components had limited speed. The data movement usin
Write an algorithm to outline the macro-expansion using macro-expansion counter. The flow of control throughout macro expansion can be implemented by using a MEC that is macro-
Q. Basic need of Search Engines? Search Engines are programs which search the web. Web is a big graph with pages being the nodes and hyperlinks being the arcs. Search engines c
Determine the Object Design of Object oriented modelling Object Design: At this phase, a design model is created based on the analysis model which is already created in the
A interrupt that can be turned off by the programmer is called as Maskable interrupt.
A vertical flashing line that permits the user where text will be inserted.
Simplify the given expressions using Boolean postulates Y = (A + B)(A‾ + C)(B + C) Ans. Y = (A + B)(A‾ + C)(B + C) = (A A‾ + AC + B A‾ + BC) (B + C) = (AC + B A‾ + BC) (B + C)
Q. Explain about Hexadecimal Numbers system? Hexadecimal system has 16 digits that are represented as 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. A number (F2) H is equivalent to
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