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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. Information in numeric - alphabetic - or other form.
Current sinking
Assembly language
Data
Circuit
2. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
CMOS
Dual in - line package
Bipolar
Analog
3. American National Standards Institute
AND
AHDL
Access time
ANSI
4. The current left after the total load current is subtracted from the total current into the circuit
Boolean multiplication
Cross - assembler
Bleeder Current
Debug
5. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Amplitude
Base
Bus contention
D Flip-Flop
6. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
AND array
Bus contention
Boolean multiplication
Address Bus
7. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
DCE
Balanced Bridge
Boolean expression
Analog- to- digital converter(ADC)
8. 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
Kirchoff's Current Law(KCL)
Complement
Carry
Dependency notation
9. A semiconductor device that conducts current in only one direction
Controller
Assembler
Capacity
Diode
10. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Ampere
Circular Mil (CM)
Counter
Atom
11. 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.
Boolean addition
Control Unit
DIMM
Ammeter
12. The mathematics of logic circuits
Boundary scan
Boolean algebra
CMOS Complementary Metal Oxide Semiconductor
Decrement
13. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Compiler
Bitstream
ASCII
Analog- to- digital converter(ADC)
14. In a division operation the quantity that is being divided
DSP
Dividend
Alphanumeric
ANSI
15. A type of counter in which each stage is clocked from the output of the preceding stage.
Amplitude
Asynchronous counter
Bus arbitration
Array
16. 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.
Bus interface unit
Controller
Demultiplexer
Buffer
17. A transformer in which the primary and secondary are in a single winding
CMOS
Boolean addition
Acceptor
Autotransformer
18. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Branch Current
Bus interface unit
Analog
19. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
Baseline
Counter
Bidirectional shift Register
20. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Choke
Amplitude
Combinational logic
21. Characterized by ten states or values
Bode Plot
Decade
AWG
bed- of- nails
22. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Dividend
Decrement
Ampere- hour(Ah) rating
Bit time
23. Describes a number system with a base of ten
Decimal
ASCII
Kirchoff's Voltage Law
Baseline
24. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
DIMM
DCE
Baseline
Decimal
25. A programming language that uses English like words and has a one- to- one correspondence to machine language
Digital linear tape
Dual in - line package
Assembly language
Amplitude
26. A type of magnetic tape format
TTL
Digital linear tape
Decrement
Asynchronous counter
27. American wire gauge; a standardization based on wire diameter
DMA
Bus arbitration
Bipolar
AWG
28. Burst extended data output dynamic random- access memory
Ampere- hour(Ah) rating
Complement
BEDO DRAM
Commutative Law
29. Having two directions. the stored data can be shifted right or left
Norton's Theorem
Bidirectional shift Register
Distributive Law
Charge- coupled device
30. Data Terminal equipment
Carry propagation
DTE
Demultiplexer
Bus contention
31. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Boolean multiplication
DRAM
Bit time
Analog
32. Digital audio tape; a type of magnetic tape format
Compiler
DAT
Digital linear tape
Delta Modulation
33. A logic gate that produces a High output only when all of the inputs are HIGH
DCE
Kirchoff's Current Law(KCL)
AND gate
Associative law
34. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
DCE
Base address
CPLD
Bus
35. A circuit that prevents loading of an input or output
Digital linear tape
Assembler
Diode
Buffer
36. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Balanced Load
Attenuation
Adder
Component
37. 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
ALU
Decoder
Adjacency
38. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Data
Boolean addition
CMOS
39. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Dynamic Memory
Battery
Boolean expression
Choke
40. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Kirchoff's Current Law(KCL)
Bistable
Data Sheet
Alphanumeric
41. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Apparent power
Analog
Array
Binary
42. Altera HDL; a nonstandard HDL
AHDL
Circuit
Apparent power
Band- stop filter
43. 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
Cache memory
Autotransformer
Bias
Clock
44. 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.
Aliasing
Capacitor
Design flow
Thevenin Equivalent Circuit
45. The process or sequence of operations carried out to program a target device
Collector
Aliasing
Bit time
Design flow
46. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Alphanumeric
Addend
Apparent power
Debug
47. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Bus contention
Band- pass filter
Data Selector
Architecture
48. One of the three regions in a bipolar Junction transistor(North junction of NpN)
ASCII
Apparent power
Collector
bed- of- nails
49. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Bandwidth
BJT
bed- of- nails
50. The process of converting an analog signal to digital form
Circuit
Bus contention
Analog- to- digital (A/D) conversion
Branch Current