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Assume a memory access to main memory on a cache "miss" takes 30 ns and a memory access to the cache (on a cache "hit") takes 3 ns. If 80% of the processor's memory requests results in a cache "hit", what is the average memory access time?
In a certain game, a large bag is filled with blue, green, purple and red chips worth 1,5,x and 11 points each, respectively. The purple chips are worth more than the red chips. A certain number of chips are then seleted from the bag, If the product of the point values of the seleted chips is 88,000, how many puriple chips were seleted?
Which of the following statements are correct about SRAM? 1. It provides faster access as compared to DRAM 2. It is cheaper than DRAM 3. It is more expensive than DRAM 4. It has higher bit density than DRAM.
With regard to computer memory, which of the following statement(s) is/are TRUE?  (A) Cache memory is 'volatile' memory. (B) Magnetic memory is 'volatile' memory.  (C) Flash memory is 'volatile' memory. (D) RAM is 'volatile' memory. Choose the correct answer from the option given below:
Consider a computer with 8 Mbytes of main memory and a 128K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?
Consider a machine with a byte addressable main memory of 220 bytes, block size of 16 bytes and a direct mapped cache having 212 cache lines. Let the addresses of two consecutive bytes in main memory be (E201F)16 and (E2020)16. What are the tag and cache line address (in hex) for main memory address (E201F)16?
Consider the following statements: 1. Better memory utilization is possible with non-contiguous allocation using fixed size pages 2. Associative memory is used for providing fast access to data stored in cache memory. 3. Direct mapping of cache memory is hard to implement Which of the above statements are correct?
A kiosk has different brands of chips. 70% of the stores’ sales are from selling potato chips, 30% of the sales are from other chips and wafers. Every quarter, the store’s sales on average are Rs. 12,00,000. What are their approximate average monthly sales of potato chips?
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: a) Some fries are cakes. b) All burgers are cakes. c) All cakes are chips. Conclusions: I. All fries are chips. II. Some chips are fries. III. All burgers are chips.
The box 1 contains chips numbered 3, 6, 9, 12 and 15. The box 2 contains chips numbered 6, 11, 16, 21 and 26. Two chips, one from each box, are drawn at random. The numbers written on these chips are multiplied. The probability for the product to be an even number is