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Test your basic knowledge |
Digital Fundamentals
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In Boolean algebra - the OR operation
Assembly language
Bode Plot
Boolean addition
Amplitude
2. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Boolean addition
Delta Modulation
ABEL(Advance Boolean Expression Language)
Band- pass filter
3. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Baseline
ALU
Autotransformer
Angular Velocity
4. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Bus contention
Design flow
AND
Array
5. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Analog- to- digital (A/D) conversion
Dynamic Memory
Debug
CLB (Configurable Logic Block)
6. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
AHDL
Decrement
Byte
7. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Concurrency
Binary
Combinational logic
Decoder
8. The action of a circuit in which it accepts current into its output from a load
ALU
Analog- to- digital converter(ADC)
D Flip-Flop
Current sinking
9. Dual in - line memory module
Branch Current
Astable
DIMM
Analog- to- digital converter(ADC)
10. Burst extended data output dynamic random- access memory
Amplitude
Duty cycle
Carry propagation
BEDO DRAM
11. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
Decimal
Attenuation
TTL
Bus
12. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Circuit
Base
Baseline
Admittance
13. A type of inductor used to block or choke off high frequencies
Choke
Capacity
Atomic number
Clear
14. A digital circuit device that converts coded information into another (familiar) or noncoded form
Assembly language
ABEL(Advance Boolean Expression Language)
Binary
Decoder
15. A type of IC package whose leads must pass through holes to the other side of a PC board
Kirchoff's Current Law(KCL)
Commutative Law
Alphanumeric
Dual in - line package
16. Data Terminal equipment
Central processing unit
Attenuation
Digital linear tape
DTE
17. A binary digit - which can be either 1 or 0
Capacity
Bit
Circuit
Alphanumeric
18. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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19. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Diode
Counter
Design flow
Battery
20. A programming language that uses English like words and has a one- to- one correspondence to machine language
Carry propagation
DRAM
Assembly language
Baseline
21. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Branch Current
Address Bus
Circuit
DMA
22. A resettable protective device used for interrupting execessive current in an electric circuit
Bus arbitration
Average value
Circuit Breaker
Code
23. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Band- stop filter
Bistable
Component
Branch
24. One current path in a parallel circuit; a current path that connects two nodes
Circular Mil (CM)
Branch
Don't Care...
Acceptor
25. The current left after the total load current is subtracted from the total current into the circuit
BEDO DRAM
Bleeder Current
Base
bed- of- nails
26. A receiving device on a bus
Dual in - line package
Code
Acceptor
Decimal
27. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Analog- to- digital converter(ADC)
Base address
Amplitude
Binary coded decimal
28. A circuit with a complete current path
Closed circuit
Alphanumeric
Bus interface unit
Bistable
29. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB
Controller
Vx=(Vs * Rx) /RT
Antifuse
CLB (Configurable Logic Block)
30. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load
Amplitude
Ampere- hour(Ah) rating
Baseline
BIOS
31. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Carry
Bandwidth
BJT
Bus contention
32. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's
TTL
Clear
Boolean addition
Data Selector
33. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Analog- to- digital (A/D) conversion
Apparent power
Central processing unit
Control Bus
34. In a division operation the quantity that is being divided
Bode Plot
Access time
Compiler
Dividend
35. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction
Binary coded decimal
Diode
BJT
Capacitor
36. A semiconductor device that conducts current in only one direction
Controller
Control Bus
Bit
Diode
37. Having two stable states. Flip- flops and latches are bistable multivibrators.
Data
Bistable
Capacitance
Boolean expression
38. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Bus contention
Clock
Control Unit
39. The ratio of pulse width to period expressed as a percentage
Atom
Adder
DRAM
Duty cycle
40. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
Vx=(Vs * Rx) /RT
Architecture
Bus arbitration
Digital linear tape
41. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
DRAM
Dual in - line package
D Flip-Flop
42. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Central processing unit
Address
Alphanumeric
Charge
43. A condition where all the load currents are equal and the neutral current is zero
Ampere- hour(Ah) rating
Balanced Load
ALU
Carry
44. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Clock
Cache memory
Balanced Load
Capacity
45. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
ASCII
Ampere
DMA
Dependency notation
46. Sum of all the voltage drops in series equals to the source voltage
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47. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Admittance
Address
Vx=(Vs * Rx) /RT
Carry propagation
48. A unit of the cross - sectional area of a wire.
Code
Circular Mil (CM)
Charge- coupled device
Average value
49. A combined coder and decoder
CLB (Configurable Logic Block)
Dividend
Code
Comparator
50. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Choke
Boundary scan
Bus arbitration
Norton's Theorem
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