Digital Theory & Microprocessors Flashcards
(77 cards)
A conducting logic circuit is considered to be:
True
A modulo 10 counter is known as:
A decade counter
The 8/4/2/1 designation is used to define the base for which system?
The Binary-Coded-Decimal system
A non-conducting logic circuit is considered to be:
False
Convert 15( base 10) to octal.
17(base 8)
Convert ABC (base 16) to binary.
1010 1011 1100
Convert 0100 1000(BCD) to decimal.
48
Convert 576(base 10) to BCD.
0101 0111 0110
How many inputs are associated with a J-K flip-flop?
5
How many R-S flip-flops would be required to store an eight digit binary number?
8
In order to provide a 1 logic state in a TTL circuit, what voltage is required to be present?
2.4 - 5.0 v
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 is the purpose of a capacitor installed to ground in a TTL circuit?
Channel/shunt power spikes to ground.
What is the radix of the binary numbering system?
2
What is the radix of the decimal numbering system?
10
What logic gate has one input and always produces the opposite of the input at the output .
NOT
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 digit is the LSD in the number 1876.0?
6
Which digit is the MSD of the number 1876.0?
1
Which logic gate has two inputs (A and B) and one output whose Boolean value is “A + B.”
OR
Which logic gate provides a 1 output only if all the inputs are logic 1?
AND
Which of the following is a base 8 system?
Octal
Which two-input logic gate produces a 1 when either input is a one but not both.
XOR
