NOCTI Review 3 Digital Flashcards
The binary number 1111 equals ______ in decimal?
15
Decimal 14 equals _____ in hexadecimal?
E
The hexadecimal number system is sometimes called the _____ system.
Base 16
The binary number 0010 0000 1010 equals _____ in binary?
522
The hexadecimal number DC equals _____ in binary.
1101 1100
The two Boolean expressions A’•B’ = Y and A’ + B’ + C’ = Y both describe the _____ logic function.
NAND
Sum-Of-Products Boolean expression are used to create _____ logic circuits.
AND-OR
Minterm Boolean expressions are used to create _____ logic circuits.
AND-OR
Applying 2.2 V to a 74HC00 series CMOS input interrupted by the IC as a(n) ______ logic level.
Undefined
Applying 4V to a 74HC00 series CMOS input is interrupted by the IC as a(n) _____ logic level.
High
The _____ decoder/driver IC was used to drive seven-segment VF displays in this chapter.
4511
A 100-Hz square wave clock signal must be sent to the common pin of a seven-segment LCD display and the _____ input to the 74HC4543 decoder/LCD driver IC
Phase
The basic building block of sequential logic circuits is the _____.
Flip-Flop
The normal output (Q) of a flip flop is forced to a logical _____ when the unit is set.
0
A simple D/A converter consist of a(n) ______.
Resistor network and summing amplifier
