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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. A circuit that prevents loading of an input or output
Angular Velocity
Buffer
Kirchoff's Voltage Law
Bidirectional shift Register
2. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Circuit Breaker
Battery
Decimal
Asynchronous counter
3. Data Terminal equipment
DTE
Code
Analog- to- digital (A/D) conversion
Counter
4. American wire gauge; a standardization based on wire diameter
Cascade
Circular Mil (CM)
DSP
AWG
5. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
Dynamic Memory
Alphanumeric
Ampere- hour(Ah) rating
6. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
Circuit
Carry propagation
ABEL(Advance Boolean Expression Language)
Adder
7. The smallest particle of an element possessing the unique characteristics of that element.
AHDL
Base address
Boundary scan
Atom
8. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Antifuse
Baseline
AHDL
Boundary scan
9. Digital audio tape; a type of magnetic tape format
Decimal
DAT
Compiler
ASCII
10. A circuit with a complete current path
Average value
Closed circuit
Digital linear tape
Base address
11. The ability of a capacitor to store electrical charge.
Carry propagation
Capacitance
Bit
Atomic number
12. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Boolean algebra
Data Sheet
D Flip-Flop
Demultiplexer
13. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa
Cross - assembler
Branch
Complement
Circular Mil (CM)
14. The action of a circuit in which it accepts current into its output from a load
Base
Current sinking
Digital linear tape
ANSI
15. Information in numeric - alphabetic - or other form.
Data Sheet
Data
Amplitude
Band- stop filter
16. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Code
TTL
Collector
17. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Atomic number
Current sinking
Capacitance Reactance
D Flip-Flop
18. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop
Current sinking
Clock
Bus interface unit
Buffer
19. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Access time
Associative law
Data
Carry generation
20. A condition where all the load currents are equal and the neutral current is zero
Circular Mil (CM)
Balanced Load
Boundary scan
Charge
21. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
AND
Demultiplexer
Component
22. Describes a number system with a base of ten
Concurrency
Decimal
Center Tap
Antifuse
23. A connection at the midpoint of a winding in a transformer
Capacity
Center Tap
Amplitude
Analog- to- digital (A/D) conversion
24. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
Augend
Decade
Bias
25. A combined coder and decoder
Bus interface unit
Controller
Code
Component
26. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
DTE
Commutative Law
AHDL
27. 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
Charge- coupled device
Amplitude
Buffer
BJT
28. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Capacitor
Antifuse
Center Tap
BIOS
29. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Decrement
Clock
Bleeder Current
30. A type of magnetic tape format
Closed circuit
AWG
Digital linear tape
BEDO DRAM
31. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
Distributive Law
DIMM
Norton's Theorem
Control Unit
32. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage
Bode Plot
Address Bus
Bipolar
CPLD
33. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Address Bus
ALU
Debug
Adjacency
34. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
TTL
DRAM
DIMM
AWG
35. The ratio of pulse width to period expressed as a percentage
Capacitance
Cross - assembler
Duty cycle
Bandwidth
36. One of the three regions in a bipolar junction transistor
Don't Care...
Base
Compiler
Balanced Load
37. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
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38. The process of converting an analog signal to digital form
Data Selector
AND array
Analog- to- digital (A/D) conversion
Architecture
39. An expression of variables and operators used to express the operation of a logic circuit
Amplitude
Comparator
Boolean expression
Analog
40. A binary digit - which can be either 1 or 0
AND gate
bed- of- nails
Charge- coupled device
Bit
41. 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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42. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor
Charge
Data bus
Complement
Choke
43. A digital counter having ten states
Counter
Delta Modulation
Decade Counter
Access time
44. To decrease the binary state of a counter by one
Decrement
Cache memory
CLB (Configurable Logic Block)
Distributive Law
45. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Charge
Clock
Concurrency
Asynchronous counter
46. A program that converts English- like mnemonics into machine code
Assembler
Base
Code
Cross - assembler
47. Consisting of numerals - letters - and other characters
Baseline
Binary coded decimal
Norton's Theorem
Alphanumeric
48. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Attenuation
Dynamic Memory
Comparator
Current sinking
49. The unit of electrical current
Circuit
Bit time
ANSI
Ampere
50. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Branch
Kirchoff's Current Law(KCL)
Counter
BEDO DRAM