Q. In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?

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Q. In 8085 microprocessor, which of the following is not vectored interrupt?

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Q. In a programmable counter

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Q. NAND gates can be used to produce edge triggering.

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Q. The number of comparator circuits required to build a three-bit simultaneous A/D converter is

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Q. -8 is equal to signed binary number

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Q. Assume that only x and y logic inputs are available. What is the minimum number of 2-input NAND gates required to implement x Ꚛ y?

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Q. In which function is each term known as minterm?

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Q. How many and what are the machine cycles needed for execution of MOV D, C?

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Q. The output data lines of microprocessor and memories are usually tristated because

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Q. In the NMOS inverter

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Q. A counter displays a sequence of numbers. If a reading corresponds to the hexadecimal number F52E, the next two readings are respectively

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Q. In C-language f- = 9 is equivalent to

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Q. Effective address is calculated by adding or subtracting displacement value to

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Q. Typical switching time for ECL is

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Q. For a logic family

VOH is the minimum output high level voltage
VOL is the maximum output low level voltage
VIH is the minimum acceptable input high level voltage
VIL is the maximum acceptable input low level voltage

The correct relationship is

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Q. 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is

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Q. The method used to transfer data from I/O units to memory by suspending the memory-CPU data transfer for one memory cycle is called

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Q. Out of SAM and RAM

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Q. Bipolar IC memories are fabricated using

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