# Shared Flashcard Set

## Details

Digital Final
Digital Final
80
Physics
Professional
04/28/2009

Term
 Serial, Serial
Definition
 The _____ -in and _____ -out register Flip-Flop use the previous output for it's input.
Term
 10 kHz, Every flip flop divides the frequency in half.
Definition
 In a four flip-flop serial-in and serial-out shift register what would be the frequency on Flip-Flop C is the input frequency is 40 kHz.
Term
 Asynchronous
Definition
 AN ________ counter is designed so that only the first Flip-Flops receives an external clock pulse. The other flip-flop receive clock pulse from the previous flip-flop.
Term
 Q NOT
Definition
 A down counter circuit utilizes the Q or QNOT output of the Flip-Flops?
Term
 Two or times the previous number by two. ie 1,2,4,8,16,32,64
Definition
 In a counter, each additional stage added will increase the attainable counting ability of the circuit by a factor of ______.
Term
 eight
Definition
 A three stage counter has a natural modulus of _______.
Term
 Frequency
Definition
 A counter circuit may also be used as __________ divider.
Term
 Propagation Delay
Definition
 The amount of time it takes a Flip-Flop to change conditions is referred to as __________ ______ .
Term
 Synchronous
Definition
 The __________ counter uses Flip-Flops that are all connected to a common clock pulse directly.
Term
 register
Definition
 A storage circuits for digital data is commonly known as a shift _________.
Term
 parallel
Definition
 When data is shifted completely out of a register at one time, it is known as a __________ shift.
Term
 word = complete unit of digital information
Definition
 Bits arranged in a group of equal size, used together are known as a: __________.
Term
 Volatile
Definition
 If power is secured to memory circuit and all data is lost, it is considered to be a __________ memory circuit.
Term
 modified
Definition
 A __________ counter is used when a circuit requires a counter to reset at a specific number other than its natural modulus.
Term
 Parallel in, Serial Out
Definition
 When data is shifted in the register all at once and leaves a bit at a time is __________ __________.
Term
 Parallel in , parallel out
Definition
 Shift register that takes in data all at once and shift the data out all at once is _____________ ______________.
Term
 Serial in, Parallel out
Definition
 When data is inputed a bit at a time and shift out of the register all at once is called _____________ __________.
Term
 register, shift register
Definition
 The _________, commonly called a ________, is storage circuit for digital data.
Term
 Shift register
Definition
 A _____________ is a group of storage devices (flip-flops) connected together that can temporarily store data or shift it between circuits.
Term
 BIT 1Nibble 4Byte 8Word Complete unit of digital information.
Definition
 Name the amount of BITs for the folowing terms:BITNibbleByteWord
Term
 Encoder, Register, Processor, Register, Decoder, Display
Definition
 In a common register circuit with a keyboard input and a visual numeral display as the output what are the 6 circuits to complete the circuit.
Term
 Modified Counters
Definition
 What are counters called when they are made to reset before reaching their natural modulus?
Term
 two stage - 4three stage - 8four stage - 16
Definition
 Name the modulus of the following counter stages.two stagethree stagefour stage
Term
 Synchronous counter
Definition
 Name the broad catergory of counters that all flip-flops are clocked at the same time.
Term
 Asynchronous or ripple counters
Definition
 Named the board catergory of counters that receives it's trigger from the previous flip-flop's output.
Term
 JK Flip Flops
Definition
 The most common Flip-Flop setup used in a counter circuit.
Term
 Synchronous and Asynchronous (aka Ripple)
Definition
 Binary Counters are classified into two braid catergories _____________ & __________.
Term
 NAND Gate
Definition
 What is added to an counter circuit to make it a modified circuit and reset at a certain binary count.
Term
 digital
Definition
 ____________ signals are non-continuous signals that change in distinct steps.
Term
 Flat Packs
Definition
 This IC is constructed to be very small an used in places where space is limited.
Term
 Logic
Definition
 A ________ to describe highs and lows of a digital signal.
Term
 low
Definition
 A logic level _____ is between 0 am .8 VDC...
Term
 binary
Definition
 This number system consist of only two digits 1 and 0.
Term
 counter clockwise
Definition
 When counting pins on any IC, what direction do you count?
Term
 left
Definition
 The number one pin located on a DIP IC is to the ________ of the notch.
Term
 most
Definition
 In the number 498,692, the number 4 is known as the _________ significant digit.
Term
 transistors
Definition
 A form of this component is the most prevalent component found in an integrated circuits ______________.
Term
 accurate
Definition
 An important difference between digital and analog circuits is that digital circuits are more _____________, than analog.
Term
 integrated circuits
Definition
 ____________ ____________ are the most common and indispensable device used in digital circuits.
Term
 canister
Definition
 ____________ IC's are manufactured from metal, cylindrical shaped containers with leads protruding out.
Term
 number
Definition
 A _____________ system uses number symbols to indicate the sum of units counted?
Term
 base
Definition
 The ________ of a number system is equal to the number of different symbols used.
Term
 100010
Definition
 Convert the following from Decimal to Binary.34
Term
 10000
Definition
 Convert the following from Decimal to Binary.16
Term
 01100
Definition
 Convert the following from Decimal to Binary.12
Term
 0100100
Definition
 Convert the following from Decimal to Binary. 36
Term
 11110000
Definition
 Convert the following from Decimal to Binary.240
Term
 11000000
Definition
 Convert the following from Decimal to Binary.192
Term
 10000100
Definition
 Convert the following from Decimal to Binary.132
Term
 10010101
Definition
 Convert the following from Decimal to Binary.149
Term
 4
Definition
 Convert the following from binary to decimal.1011
Term
 97
Definition
 Convert the following from binary to decimal.1100001
Term
 248
Definition
 Convert the following from binary to decimal.11111000
Term
 10000011
Definition
 Convert the following from binary to decimal.131
Term
 100110001
Definition
 Convert the following from binary to decimal.305
Term
 100110001
Definition
 Convert the following from binary to decimal.286
Term
 11010011
Definition
 Convert the following from binary to decimal.211
Term
 11101011
Definition
 Convert the following from binary to decimal.235
Term
 Asynchronous
Definition
 Flip-Flops that change condition when any signal is felt on the Set or Reset input, is known as this.
Term
 Flip-Flop
Definition
 The basic building block of a sequential logic circuit is called what?
Term
 Prohibited
Definition
 In an RS Flip-Flop, if the S and the R inputs have a HI placed on them, what is the output?
Term
 clock pulse
Definition
 This signal best ensures accuracy in triggering digital circuits when it's leading or trailing edge is used.
Term
 sequential logic
Definition
 These types of circuits have the ability to "remember" the order or sequence of an applied input.
Term
 Clear/Preset
Definition
 Because Flip-Flops can be in any state when energized, two inputs are used to enable a predetermined state. Which signal is used to enable a logic level LO on the output of QNOT?
Term
 Reset and Set
Definition
 The simplest form of a binary storage device is the RS Flip-Flop. What does "RS" stand for?
Term
 JK Flip-Flop
Definition
 Which Flip-Flop is the most versatile type of binary storage device?
Term
 QNOT
Definition
 A low input is indicated by placing a line over the designation.The opposite of Q would be what?
Term
 high
Definition
 A NOR gate flip-flop most commonly accepts this type of signal as it's input?
Term
 delay
Definition
 The "D-type" Flip-Flop is uses a clock pulse to synchronize data into the Flip-Flop. The "D" stands for this:
Term
 Clock Pulse
Definition
 A ________ ________ signal is used to ensure accuracy within digital circuit.
Term
 multivibrators
Definition
 This circuit specifically generates rectangle and square waveforms used in digital circuits.
Term
 AstableBistableMonostable
Definition
 List the three types of multivibrators:
Term
 transistor
Definition
 Which component used in a multivibrator, enable the output to change voltages in an on-off fashion?
Term
 saturation
Definition
 when Q1 is in cutoff, Q2 will be in
Term
 zero
Definition
 With Q1 in saturation, how much voltage will be felt on the collector of Q1?
Term
 trigger
Definition
 The bistable multivibrator requires a ____________ in order to change status.
Term
 one
Definition
 The monostable multivibrator has how many stable conditions?
Term
 "not stable"
Definition
 the term astable means " ____ ________" and is used to describe a certain type of multivibrator.
Term
 resistor & capacitor
Definition
 All multivibrators outputs can be altered by changing the value what two types of components?
Term
 long
Definition
 To allow a longer high output condition from a multivibrator a ___________ time constant is required.
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