Q. The greatest negative number which can be stored is 8 bit computer using 2's complement arithmetic is

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Q. A JK flip flop has tpd= 12 ns. The largest modulus of a ripple counter using these flip flops and operating at 10 MHz is

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Q. The basic storage element in a digital system is

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Q. In a ripple counter,

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Q. The access time of a word in 4 MB main memory is 100 ms. The access time of a word in a 32 kb data cache memory is 10 ns. The average data cache bit ratio is 0.95. The efficiency of memory access time is

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Q. The expression Y = πM (0, 1, 3, 4) is

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Q. An 8 bit DAC has a full scale output of 2 mA and full scale error of ± 0.5%. If input is 10000000 the range of outputs is

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Q. Decimal 43 in hexadecimal and BCD number system is respectively.

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Q. (7BF)₁₆ = __________ ₂

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Q. Zero suppression is not used in actual practice.

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Q. A counter type A/D converter contains a 4 bit binary ladder and a counter driven by a 2 MHz clock. Then conversion time

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Q. The hexadecimal number (3E8)₁₆ is equal to decimal number

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Q. The total number of input words for 4 input OR gate is

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Q. In digital circuits Schottky transistors are preferred over normal transistors because of their

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Q. A flip flop is a

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Q. A 4 bit parallel type A/D converter uses a 6 volt reference. How many comparators are required and what is the resolution in volts?

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Q. Quantization error occurs in

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Q. The Boolean expression A ⊕ B is equivalent to

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Q. Which of these are two state devices?

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Q. What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

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