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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. Sum of all the voltage drops in series equals to the source voltage
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2. The process that prevents two sources from using a bus at the same time
Bus arbitration
Decode
Clock
Buffer
3. A type of inductor used to block or choke off high frequencies
Boolean multiplication
Choke
DCE
Dynamic Memory
4. 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
Autotransformer
Decrement
Cascade
Decode
5. One current path in a parallel circuit; a current path that connects two nodes
Bus contention
Bleeder Current
Branch
Decimal
6. The unit of electrical current
Ampere- hour(Ah) rating
AHDL
Ampere
CLB (Configurable Logic Block)
7. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Bistable
Base
Don't Care...
8. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Adjacency
Decade Counter
Boolean addition
9. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Debug
Dual in - line package
Assembly language
D Flip-Flop
10. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Circuit
DAT
Counter
Bus contention
11. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Closed circuit
Associative law
Code
CPLD
12. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Base
Analog
Dynamic Memory
13. Data Communications equipment
Demultiplexer
DCE
Dynamic Memory
Component
14. American wire gauge; a standardization based on wire diameter
Access time
Band- stop filter
DTE
AWG
15. 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
CLB (Configurable Logic Block)
Dual in - line package
Choke
Bus
16. Having two opposites charge carriers within the transistor structure
Bipolar
AND
Ampere
Bit
17. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Decoder
Don't Care...
DCE
Collector
18. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Complement
Data Sheet
Bit time
Dependency notation
19. A device used to convert an analog signal to a sequence of digital codes
Carry propagation
Circuit Breaker
Control Unit
Analog- to- digital converter(ADC)
20. The ratio of pulse width to period expressed as a percentage
Analog- to- digital (A/D) conversion
Duty cycle
AHDL
Dual in - line package
21. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference
Debug
AND array
Commutative Law
Capacitance Reactance
22. A circuit that prevents loading of an input or output
Carry
Data bus
Buffer
CMOS
23. A semiconductor device that conducts current in only one direction
Branch Current
Asynchronous counter
Diode
Boolean addition
24. The time from the application of a valid memory address to the appearance of valid output data
Angular Velocity
Access time
DTE
Bandwidth
25. A method of analog- to- digital conversion using a 1- bit quantization process
DSP
Delta Modulation
Kirchoff's Voltage Law
AND array
26. The mathematics of logic circuits
Circuit Breaker
AND gate
Comparator
Boolean algebra
27. The application of a dc voltage to an electronic device to produce a desired mode of operation
Capacitor
Bias
Architecture
Atom
28. The actual current in a branch
Branch Current
Bitstream
Circuit
Data
29. A circuit with a complete current path
Counter
Closed circuit
Band- pass filter
Bidirectional shift Register
30. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Compiler
Decode
ABEL(Advance Boolean Expression Language)
AHDL
31. The process of converting an analog signal to digital form
Average value
Analog- to- digital (A/D) conversion
Duty cycle
Ampere- hour(Ah) rating
32. Dual in - line memory module
Boolean expression
DIMM
Angular Velocity
DCE
33. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
BJT
Thevenin Equivalent Circuit
Bandwidth
DSP
34. Data Terminal equipment
Component
Decoder
DTE
Circuit
35. 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.
Clock
Analog- to- digital converter(ADC)
Binary
Aliasing
36. 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
Center Tap
Compiler
Boolean expression
Circuit Breaker
37. A connection at the midpoint of a winding in a transformer
Addend
DMA
Center Tap
Code
38. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Array
Bandwidth
Antifuse
Bit time
39. A digital counter having ten states
Dependency notation
Battery
Decade Counter
Branch Current
40. Having two stable states. Flip- flops and latches are bistable multivibrators.
Collector
Byte
Bistable
Bus interface unit
41. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Boolean algebra
Capacitor
Bitstream
42. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Charge
Decoder
Circuit Breaker
43. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Dividend
Carry propagation
Commutative Law
Central processing unit
44. A digital circuit device that converts coded information into another (familiar) or noncoded form
Data
Ampere- hour(Ah) rating
Decoder
Atomic number
45. Digital Signal Processor; a special type of microprocessor that processes data in real time
Digital linear tape
Binary coded decimal
DSP
DRAM
46. An electrical instrument used to measure current
Ammeter
Assembler
Bus
Combinational logic
47. 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.
Controller
Boundary scan
Admittance
Decade
48. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Charge- coupled device
Capacitance Reactance
Center Tap
Decimal
49. A group of eight bits
Ampere
Binary coded decimal
Dependency notation
Byte
50. Information in numeric - alphabetic - or other form.
Band- pass filter
Capacity
Data
Atomic number