1 If a simple logic probe is fed a stream of digital logic

1 . If a simple logic probe is fed a stream of digital logic data consisting of an equal proportion of logic high and logic low pulses,

A.the HI LED glows brightly.

B.the LO LED gloes brightly.

C.both LEDs glow brightly.

D.both LEDs glow dimly.

answer is A incorrect

2. You can use a digital multimeter in a logic system to

A.trace power-supply direct current.

B.measure sequential logic

C.follow digital signals

D.compare logic high.

ancwer is D incorrect

3. In one method of disabling loop operation for testing,you apply a d-c voltage ,usually to the device being controlled,to stop any fluctuation in output to the system.you will call this A.injection

B.tracing

C.Clamping

D.qualifying

answer is A incorrect

4. A binary rate multiplier with four select gates and a select input pattern of 0110 will deliver_________ pulses out of every 64 of the clock.

A .8

B.16

C.24

D.32

answer is B incorrect

5. you shoud think of a bus,primarily as a(n)

A.address bus.

B.data bus.

C.logical bus.

D.physical bus.

answer is B incorrect

Solution

1. C.both LEDs glow brightly.

2. A.trace power-supply direct current.

3. C.Clamping

4. D. 32

5. D. physical bus