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Digital Electronics

Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 DRAM
 SRAM
 Both SRAM and DRAM
 None

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Digital Electronics
Which of the following gate is a two-level logic gate

OR gate
NAND gate
EXCLUSIVE OR gate
NOT gate

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Digital Electronics
How many input and output required for multiplexer ?

 Many input and one output
None of these
 One input and many output
 One input and one output

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

12 CPS
120 CPS
None of these
10 CPS

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Digital Electronics
Which of the following represents (E3)16 ?

 (200)16-(11D)16
 (1CE)16+(A2)16
 (1BC)16-(DE)16
 (2BC)16-(1DE)16

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Digital Electronics
How many numbers are used in the decimal number system?

None of these
 0 to 9
 0 to 10
 1 to 10

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