Digital Test Review

Convert 576(base 10) to BCD.

0101 0111 0110.

Which digit is the MSD of the number 1876.0?

1.

What is the radix of the decimal numbering system?

10.

Convert ABC (base 16) to binary.

1010 1011 1100.

Convert 15 (base 10) to octal?

17(base 8).

What is the radix of the binary numbering system?

2.

In order to provide a 1 logic state in a TTL circuit, what voltage is required to be present?

2.4 - 5.0 v.

Convert 0100 1000(BCD) to decimal.

48.

How many inputs are associated with a J-K flip-flop?

5.

Which digit is the LSD in the number 1876.0?

6.

How many R-S flip-flops would be required to store an eight-digit binary number?

8

A modulo 10 counter is known as?

A decade counter.

Which logic gate provides a 1 output only if all the inputs are logic 1?

AND.

A non-conducting logic circuit is considered to be?

False.

To achieve the fastest computing speed from adders how should they be installed?

In parallel.

Two logic gates (an AND gate and a NOT gate respectively) are connected in series. What is the resultant single logic gate equivalent?

NAND.

What logic gate has one input and always produces the opposite of the input at the output?

NOT.

Which logic gate has two inputs (A and B) and one output whose value is A + B?

OR.

Which of the following is a base 8 system?

Octal.

What is the purpose of a capacitor installed to ground in a TTL circuit?

Protect from power spikes to ground.

Which type of adder adds two binary numbers and produces no carry?

Quarter adder.

The 8/4/2/1 designation is used for which system?

The Binary-Coded-Decimal system.

A conducting logic circuit is considered to be?

True.

What reference can be used which provides a list of input combinations and their corresponding outputs that characterizes a digital devices function?

Truth table.

Which two-input logic gate produces a 1 when either input is a one but not both?

XOR.