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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 device used to convert an analog signal to a sequence of digital codes
Analog- to- digital converter(ADC)
Thevenin Equivalent Circuit
Demultiplexer
Kirchoff's Voltage Law
2. Having two opposites charge carriers within the transistor structure
Apparent power
D Flip-Flop
Bipolar
DRAM
3. In addition - the number that is added to another number called the augend
Addend
Ampere- hour(Ah) rating
Collector
Analog
4. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
AND array
Bandwidth
Capacitor
Combinational logic
5. In a division operation the quantity that is being divided
Dividend
Charge
ANSI
Vx=(Vs * Rx) /RT
6. An expression of variables and operators used to express the operation of a logic circuit
Battery
Boolean expression
Analog- to- digital converter(ADC)
Atomic number
7. A unit of the cross - sectional area of a wire.
Delta Modulation
Decimal
Circular Mil (CM)
Diode
8. 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.
Commutative Law
Capacitance Reactance
Bandwidth
Carry propagation
9. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter
Bit
TTL
Cascade
Diode
10. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Kirchoff's Voltage Law
Alphanumeric
Control Unit
11. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
DAT
Decade Counter
Addend
12. Dual in - line memory module
Circuit
DIMM
Autotransformer
ANSI
13. American National Standards Institute
Boolean multiplication
ANSI
Bode Plot
Don't Care...
14. The unit of electrical current
Carry generation
Amplitude
Ampere
Charge
15. 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.
Diode
Binary
Control Unit
Astable
16. The mathematics of logic circuits
Boolean algebra
Thevenin Equivalent Circuit
Decrement
Architecture
17. A circuit with a complete current path
Closed circuit
Bidirectional shift Register
Diode
Bandwidth
18. Burst extended data output dynamic random- access memory
Debug
BEDO DRAM
Demultiplexer
CLB (Configurable Logic Block)
19. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Comparator
Bode Plot
ALU
Capacitor
20. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
ASCII
Average value
DTE
D Flip-Flop
21. 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.
22. A type of magnetic tape format
Band- stop filter
Boolean algebra
Branch Current
Digital linear tape
23. A combined coder and decoder
Code
Controller
TTL
Commutative Law
24. The effect created when a signal is sampled at less than twice the signal frequency. Aliasing creates unwanted frequencies that interfere with the signal frequency.
Admittance
Cascade
Decimal
Aliasing
25. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
DSP
Amplitude
Combinational logic
Dependency notation
26. 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
Atom
ABEL(Advance Boolean Expression Language)
Complement
Base address
27. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Addend
Carry
Choke
Binary
28. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Center Tap
Cross - assembler
Apparent power
ALU
29. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
DCE
BIOS
Debug
Norton's Theorem
30. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
31. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Capacitance
Bit time
Astable
Average value
32. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Band- pass filter
Address Bus
BEDO DRAM
Apparent power
33. Data Communications equipment
DCE
D Flip-Flop
Delta Modulation
Boolean expression
34. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Code
Capacitance
D Flip-Flop
Astable
35. The current left after the total load current is subtracted from the total current into the circuit
Bleeder Current
Battery
Decrement
Atom
36. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Atom
Balanced Bridge
Capacity
Array
37. 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
Baseline
ABEL(Advance Boolean Expression Language)
Ampere- hour(Ah) rating
Kirchoff's Voltage Law
38. The ratio of pulse width to period expressed as a percentage
Asynchronous counter
Duty cycle
Closed circuit
Collector
39. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
CPLD
Augend
Bitstream
40. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Atomic number
Boundary scan
D Flip-Flop
Architecture
41. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Circuit Breaker
Closed circuit
TTL
Design flow
42. Characterized by ten states or values
Boolean algebra
Bias
Branch
Decade
43. The maximum value of a voltage or current
AND array
Capacitor
Don't Care...
Amplitude
44. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Bus contention
Boolean expression
AND
Adjacency
45. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dynamic Memory
Bus arbitration
Capacitance Reactance
Antifuse
46. 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
Address
Adjacency
Aliasing
Clear
47. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Distributive Law
Antifuse
Bit
Debug
48. An application program in development software packages that controls the design flow process and translates source code into object code in a format that can be logically tested or downloaded to a target device
Code
Compiler
DRAM
Decrement
49. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
Bistable
Amplitude
CMOS Complementary Metal Oxide Semiconductor
50. American wire gauge; a standardization based on wire diameter
Address
Branch
Delta Modulation
AWG