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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. The ratio of pulse width to period expressed as a percentage
Antifuse
Boolean expression
Data Sheet
Duty cycle
2. The unit of electrical current
Binary coded decimal
Decade
Array
Ampere
3. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Capacitance
Design flow
Balanced Bridge
Control Bus
4. The mathematics of logic circuits
Boolean algebra
Code
D Flip-Flop
Decoder
5. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Address Bus
Boolean addition
Ampere
AHDL
6. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
DAT
Combinational logic
Base
AND gate
7. Digital Signal Processor; a special type of microprocessor that processes data in real time
BEDO DRAM
DSP
Binary
Decimal
8. A connection at the midpoint of a winding in a transformer
Center Tap
Bistable
Bus contention
Boolean expression
9. 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.
Apparent power
Capacitor
Aliasing
Concurrency
10. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Bit time
Capacity
Duty cycle
11. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
AND
Architecture
Capacitor
Bode Plot
12. A type of magnetic tape format
Clock
Center Tap
Digital linear tape
Carry generation
13. The process that prevents two sources from using a bus at the same time
Array
Battery
Capacity
Bus arbitration
14. Sum of all the voltage drops in series equals to the source voltage
15. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Decoder
TTL
Data bus
Address
16. The actual current in a branch
Data
Diode
CLB (Configurable Logic Block)
Branch Current
17. The ability of a capacitor to store electrical charge.
Capacitance
CLB (Configurable Logic Block)
Choke
Ampere- hour(Ah) rating
18. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Associative law
Charge
Center Tap
Decimal
19. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
CLB (Configurable Logic Block)
Band- stop filter
Angular Velocity
Analog
20. A logic circuit used to add two binary numbers
Band- stop filter
Debug
Duty cycle
Adder
21. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Bit
AND array
ASCII
Decode
22. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Decade
Access time
Band- stop filter
Vx=(Vs * Rx) /RT
23. A digital circuit device that converts coded information into another (familiar) or noncoded form
Component
Decoder
Cross - assembler
Bitstream
24. 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
BJT
Clear
Balanced Bridge
Antifuse
25. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
AWG
CPLD
Astable
Collector
26. Data Communications equipment
Controller
Boolean multiplication
Amplitude
DCE
27. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Battery
CMOS
Comparator
ANSI
28. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Bistable
Astable
DRAM
Cross - assembler
29. Describes a number system with a base of ten
Associative law
Decimal
Cascade
Controller
30. Burst extended data output dynamic random- access memory
Clock
Balanced Bridge
Attenuation
BEDO DRAM
31. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Amplitude
Capacitance Reactance
DTE
Design flow
32. The number of protons in a nucleus
DCE
Atomic number
Bleeder Current
Bistable
33. 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
Component
Ampere
Current sinking
Data bus
34. In addition - the number that is added to another number called the augend
Addend
Bitstream
Bipolar
Ampere
35. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
BEDO DRAM
Comparator
AND
Demultiplexer
36. The process of producing an output carry in full- adder when both input bits are 1s.
AND array
Control Bus
Carry generation
Angular Velocity
37. Having two opposites charge carriers within the transistor structure
Ampere- hour(Ah) rating
Carry
Bipolar
BEDO DRAM
38. The current left after the total load current is subtracted from the total current into the circuit
BEDO DRAM
AND array
Digital linear tape
Bleeder Current
39. A circuit with a complete current path
bed- of- nails
Delta Modulation
Clear
Closed circuit
40. 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
Aliasing
Compiler
BIOS
Bandwidth
41. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1
Carry propagation
Norton's Theorem
DRAM
Vx=(Vs * Rx) /RT
42. 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
Collector
D Flip-Flop
Analog- to- digital converter(ADC)
Complement
43. A condition where all the load currents are equal and the neutral current is zero
Control Unit
Clear
DTE
Balanced Load
44. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
Branch Current
Binary coded decimal
Boolean multiplication
45. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Dual in - line package
Digital linear tape
AWG
46. A digital counter having ten states
Component
Decade Counter
Dual in - line package
Control Unit
47. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
D Flip-Flop
Address Bus
Binary
Control Unit
48. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
DRAM
Baseline
Binary
Ammeter
49. Consisting of numerals - letters - and other characters
Aliasing
Alphanumeric
AND array
Current sinking
50. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Decade
Compiler
Cascade
Battery