DE: REVIEW FOR 1ST SEMESTER EXAM Engineering/Digital Electronics

Capacitors resist the flow of current through a circuit.

• True

• False

Static electricity is not usually dangerous to human beings but it is definitely dangerous to electronics.

• True

• False

You should be careful not to touch sources of high voltage, even when they are not powered.

• True

• False

The secret to soldering successfully is to melt the solder quickly.

• True

• False

The current entering a node must equal the current leaving the node.

• True

• False

If we touch one end of a wire to the negative side of a 9V battery and touch the other end of the wire to the positive side of the battery, the electrons move toward the positive side and flow back into the wire from the negative side.

• True

• False

Protons have a positive charge that attracts the orbiting electrons, which have a negative charge.

• True

• False

A current can be created or destroyed.

• True

• False

As more electronic systems have been designed using digital technology, devices have become smaller and less powerful.

• True

• False

The binary number system is a positional notation system.

• True

• False