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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 opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Battery
Current sinking
Carry generation
2. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Clear
Analog- to- digital (A/D) conversion
Control Bus
Decode
3. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Debug
Control Bus
Bus interface unit
Central processing unit
4. In a division operation the quantity that is being divided
Concurrency
Dividend
Code
Ammeter
5. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Bitstream
Concurrency
ANSI
Capacitor
6. Having two stable states. Flip- flops and latches are bistable multivibrators.
Duty cycle
Bistable
Bitstream
Bus arbitration
7. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Bitstream
DCE
Dynamic Memory
Kirchoff's Current Law(KCL)
8. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Binary coded decimal
Dynamic Memory
Branch
Binary
9. A logic circuit used to add two binary numbers
Bistable
Balanced Load
Circular Mil (CM)
Adder
10. 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
Clock
TTL
Binary
Adjacency
11. Having two opposites charge carriers within the transistor structure
Battery
Bipolar
Angular Velocity
Aliasing
12. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
AND
Byte
CMOS
Bode Plot
13. The smallest particle of an element possessing the unique characteristics of that element.
Atom
Central processing unit
CPLD
CMOS
14. 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
CLB (Configurable Logic Block)
bed- of- nails
Acceptor
Alphanumeric
15. 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
Analog
Circuit
ANSI
16. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
Byte
Atom
Collector
17. American National Standards Institute
Capacity
Control Unit
Debug
ANSI
18. A method of analog- to- digital conversion using a 1- bit quantization process
Decade Counter
DSP
Delta Modulation
Cache memory
19. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Vx=(Vs * Rx) /RT
Norton's Theorem
Boolean addition
Control Bus
20. A transformer in which the primary and secondary are in a single winding
Bidirectional shift Register
ABEL(Advance Boolean Expression Language)
Bus contention
Autotransformer
21. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
BEDO DRAM
Delta Modulation
Charge- coupled device
Augend
22. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Ampere- hour(Ah) rating
Branch
Circuit
ASCII
23. In Boolean algebra - the OR operation
Array
Alphanumeric
Boolean addition
Attenuation
24. The action of a circuit in which it accepts current into its output from a load
Battery
Current sinking
Asynchronous counter
Counter
25. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Attenuation
Bode Plot
Boolean multiplication
26. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Decade Counter
Component
Collector
Demultiplexer
27. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.
Decode
Bipolar
Acceptor
Data Selector
28. The application of a dc voltage to an electronic device to produce a desired mode of operation
Battery
Counter
Bias
Component
29. One current path in a parallel circuit; a current path that connects two nodes
Delta Modulation
Design flow
Branch
Array
30. The process of producing an output carry in full- adder when both input bits are 1s.
Decoder
Carry generation
Closed circuit
Cascade
31. A programming language that uses English like words and has a one- to- one correspondence to machine language
Bus arbitration
Charge
Assembly language
Norton's Theorem
32. The maximum value of a voltage or current
Capacitance Reactance
Cascade
ASCII
Amplitude
33. 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
Component
Bode Plot
Cascade
DMA
34. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Data Sheet
Combinational logic
Decimal
Analog
35. Data Terminal equipment
Bandwidth
DIMM
DTE
Controller
36. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Amplitude
Battery
Control Bus
Balanced Load
37. 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
Norton's Theorem
Clear
ANSI
Decimal
38. A unit of the cross - sectional area of a wire.
Circular Mil (CM)
Band- pass filter
Clear
Boolean multiplication
39. The actual current in a branch
Augend
Asynchronous counter
Branch Current
AND
40. A combined coder and decoder
Code
Byte
Design flow
Duty cycle
41. The process or sequence of operations carried out to program a target device
Architecture
Design flow
Circuit Breaker
ABEL(Advance Boolean Expression Language)
42. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage
Bode Plot
Adjacency
Bit
Counter
43. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
DTE
ABEL(Advance Boolean Expression Language)
Central processing unit
Adjacency
44. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.
Address
Bus arbitration
Array
ANSI
45. A set of interconnections that interface one or more devices based on a standardized specification
Asynchronous counter
Array
Controller
Bus
46. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
Duty cycle
Attenuation
Charge- coupled device
Architecture
47. A type of counter in which each stage is clocked from the output of the preceding stage.
Duty cycle
Asynchronous counter
AND array
Decimal
48. Dual in - line memory module
Antifuse
Amplitude
AND array
DIMM
49. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Commutative Law
Center Tap
Current sinking
Cross - assembler
50. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
AWG
Atomic number
Cache memory
Diode