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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 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.
Bandwidth
Array
AND gate
Antifuse
2. An electrical instrument used to measure current
Apparent power
Combinational logic
Charge
Ammeter
3. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
BEDO DRAM
ANSI
Bandwidth
Commutative Law
4. A logic gate that produces a High output only when all of the inputs are HIGH
Dividend
AND gate
Bitstream
Bandwidth
5. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.
Amplitude
Kirchoff's Current Law(KCL)
ANSI
Controller
6. 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
Ammeter
Ampere- hour(Ah) rating
Dual in - line package
Commutative Law
7. The current left after the total load current is subtracted from the total current into the circuit
Distributive Law
BJT
Bleeder Current
Admittance
8. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Data bus
Demultiplexer
DMA
9. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Boundary scan
Dependency notation
Charge- coupled device
Attenuation
10. Digital Signal Processor; a special type of microprocessor that processes data in real time
Cascade
DSP
BEDO DRAM
Cache memory
11. A set of interconnections that interface one or more devices based on a standardized specification
Thevenin Equivalent Circuit
Comparator
Circuit
Bus
12. Altera HDL; a nonstandard HDL
AHDL
Atom
Admittance
Average value
13. 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.
Comparator
Architecture
Circuit
Control Unit
14. 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
Data Selector
Branch
Clear
ALU
15. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Demultiplexer
Attenuation
Capacity
Binary
16. Consisting of numerals - letters - and other characters
AND gate
Bandwidth
Cascade
Alphanumeric
17. Information in numeric - alphabetic - or other form.
Alphanumeric
Ammeter
DIMM
Data
18. American National Standards Institute
Atom
Band- stop filter
DSP
ANSI
19. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points
Alphanumeric
CPLD
Bidirectional shift Register
bed- of- nails
20. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Boundary scan
Bus interface unit
Debug
Address
21. A device used to convert an analog signal to a sequence of digital codes
Complement
Analog- to- digital converter(ADC)
Carry propagation
Carry
22. Data Communications equipment
BJT
Bus
DCE
Asynchronous counter
23. In addition - the number that is added to another number called the augend
Decade
Dual in - line package
AND gate
Addend
24. A combined coder and decoder
Bidirectional shift Register
Clock
Band- stop filter
Code
25. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
CLB (Configurable Logic Block)
Center Tap
Dividend
26. 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
Circuit
DIMM
Capacitance Reactance
BJT
27. A type of magnetic tape format
Demultiplexer
Capacitor
Addend
Digital linear tape
28. A semiconductor device that conducts current in only one direction
Choke
Diode
AWG
Clock
29. In Boolean algebra - the AND operation
Boolean multiplication
Code
Central processing unit
Decode
30. Describes a number system with a base of ten
Capacity
Decimal
Data bus
Average value
31. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Analog- to- digital (A/D) conversion
Array
Choke
DRAM
32. 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
Amplitude
Assembly language
Clock
Carry
33. Sum of all the voltage drops in series equals to the source voltage
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34. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Binary coded decimal
Byte
Circuit
Apparent power
35. The mathematics of logic circuits
Astable
Boolean algebra
Boolean expression
DIMM
36. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Access time
Distributive Law
Counter
BJT
37. 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
Ammeter
AND gate
Bidirectional shift Register
Cascade
38. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Asynchronous counter
Current sinking
Circuit
39. A type of counter in which each stage is clocked from the output of the preceding stage.
Bidirectional shift Register
Distributive Law
Adder
Asynchronous counter
40. An array of AND gates consisting of a matrix of programmable interconnection
Norton's Theorem
Design flow
AND array
DTE
41. The ability of a capacitor to store electrical charge.
Analog- to- digital converter(ADC)
DCE
Capacitance
Data
42. Characterized by ten states or values
ASCII
DSP
Decade
BIOS
43. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Circular Mil (CM)
Atomic number
Counter
Band- pass filter
44. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Astable
Ampere
Charge
Cascade
45. A group of eight bits
Antifuse
Digital linear tape
Byte
Bleeder Current
46. The number of protons in a nucleus
Assembly language
Atomic number
Band- pass filter
Control Bus
47. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Band- stop filter
Design flow
Address Bus
Control Bus
48. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Circuit Breaker
Capacitance
Combinational logic
Boundary scan
49. 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
CPLD
Alphanumeric
CLB (Configurable Logic Block)
Carry generation
50. The unit of electrical current
Central processing unit
Ampere
Boolean addition
Band- stop filter