Recent activity by rishu_darkshadow

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Which of the following is not a life cycle model?Spiral modelPrototyping modelWaterfall modelCapability maturity model
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Match the following items$$\begin{array}{ll|ll}\hline \text{(i)} & \text{Backus-Naur form} & \text{(a)} & \text{Regular expressions} \\\hline \text{(ii)} & \text{Lexical...
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Which normal form is considered adequate for normal relational database design?$2NF$$5NF$$4NF$$3NF$
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If $L_1$ and $L_2$ are context free languages and $R$ a regular set, one of the languages below is not necessarily a context free language. Which one?$L_1.L_2$$L_1 \cap L...
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In a binary tree, the number of internal nodes of degree $1$ is $5$, and the number of internal nodes of degree $2$ is $10$. The number of leaf nodes in the binary tree i...
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Acceptance testing is done byA. DevelopersB. CustomersC. TestersD. All of the above
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How many full adder are needed to construct m-bit parallel adder ?A. m/2B. mC. m-1D. m+1
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Virtual memory isPart of Main Memory only used for swappingA technique to allow a program, of size more than the size of main memory, to runPart of secondary storage used...
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If the main memory is of 8K bytes and the cache memory is of 2K words. It uses associative mapping. Then each word of cache memory shall be1) 11 bits2) 21 bits3) 16 bits4...
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The two methods how LRU page replacement policy can be implemented in hardware are :1) Counters2) RAM & Registers3) Stack & Counters4) Registers
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The primary job of the operating system of a computer is to1) command resources2) manage resources3) provide utilities4) provide connection