ECE :: Digital Electronics
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74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?
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An 8 bit transistor register has output voltage of low-high-low-high-low-high-low-high. The decimal number stored is
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Find the FSV (full scale voltage) in a 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V.
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Parallel adder is
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An 8 bit binary number is to be entered into an 8 bit serial shift register. The number of clock pulses required is
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Assertion (A): CMOS devices have very high speed.
Reason (R): CMOS devices have very small physical size and simple geometry.
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Which of the following are included in the architecture of computer?
- Addressing mode, design of CPU
- Instruction set, data format
- Secondary memory, operating system