Question # 1

The alternate solution for a multiplexer and a register circuit is _________

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Parallel in / Serial out shift register

Serial in / Parallel out shift register

Parallel in / Parallel out shift register

Serial in / Serial Out shift register

The capability that allows the PLDs to be programmed after they have been installed on a circuit board is called __________

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Radiation-Erase programming method (REPM)

In-System Programming (ISP)

In-chip Programming (ICP)

Electronically-Erase programming method (EEPM)

The _________ of a ROM is the time it takes for the data to appear at the Data Output of the ROM chip after an address is applied at the address input lines

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Write Time

Recycle Time

Refresh Time

Access Time

In a sequential circuit the next state is determined by ________ and _______

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State variable, current state

Current state, flip-flop output

Current state and external input

Input and clock signal applied

The divide-by-60 counter in digital clock is implemented by using two cascading counters

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Mod-6, Mod-10

Mod-50, Mod-10

Mod-10, Mod-50

Mod-50, Mod-6

The address from which the data is read, is provided by _______

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Depends on circuitry

None of given options

RAM

Microprocessor

________ is used to simplify the circuit that determines the next state.

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State diagram

Next state table

State reduction

State assignment

5-bit Johnson counter sequences through ____ states

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7

10

32

25

________ is used to minimize the possible no. of states of a circuit.

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State assignment

State reduction

Next state table

State diagram

The ABEL symbol for “OR” operation is

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!

&

#

$

In asynchronous transmission when the transmission line is idle, _________

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It is set to logic low

It is set to logic high

Remains in previous state

State of transmission line is not used to start transmission

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