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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. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Address
Circuit
Decode
Access time
2. 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
Analog- to- digital (A/D) conversion
Complement
Boundary scan
Clock
3. A combined coder and decoder
Acceptor
Boolean multiplication
Code
Capacitance
4. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Thevenin Equivalent Circuit
Admittance
Analog- to- digital converter(ADC)
Balanced Load
5. A type of IC package whose leads must pass through holes to the other side of a PC board
Admittance
DCE
Capacitance Reactance
Dual in - line package
6. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification
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7. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Baseline
Bandwidth
Circular Mil (CM)
Compiler
8. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Asynchronous counter
Analog- to- digital converter(ADC)
Boundary scan
CMOS
9. 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
Associative law
Asynchronous counter
Complement
Controller
10. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Comparator
Circuit
BIOS
Circular Mil (CM)
11. In addition - the number to which the addend is added
Amplitude
CMOS Complementary Metal Oxide Semiconductor
Admittance
Augend
12. Data Communications equipment
Average value
ABEL(Advance Boolean Expression Language)
CMOS Complementary Metal Oxide Semiconductor
DCE
13. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Digital linear tape
Admittance
Vx=(Vs * Rx) /RT
Buffer
14. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Adder
Band- stop filter
Charge
Baseline
15. 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
Diode
Bitstream
Bus arbitration
Carry propagation
16. In Boolean algebra - the AND operation
Apparent power
Capacitance Reactance
Boolean multiplication
Bus interface unit
17. An electrical instrument used to measure current
Balanced Bridge
Ammeter
CLB (Configurable Logic Block)
Buffer
18. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Bidirectional shift Register
Amplitude
Charge- coupled device
CMOS
19. A digital counter having ten states
Commutative Law
Aliasing
Bistable
Decade Counter
20. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
AWG
Central processing unit
Dependency notation
Norton's Theorem
21. One current path in a parallel circuit; a current path that connects two nodes
CMOS
Autotransformer
ASCII
Branch
22. Having two stable states. Flip- flops and latches are bistable multivibrators.
Decoder
Address
Bistable
Control Unit
23. 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
Balanced Load
AND
Clear
Commutative Law
24. A type of counter in which each stage is clocked from the output of the preceding stage.
Distributive Law
Data Sheet
Asynchronous counter
ALU
25. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Bistable
Vx=(Vs * Rx) /RT
Current sinking
Data Sheet
26. A transformer in which the primary and secondary are in a single winding
Asynchronous counter
Address Bus
Autotransformer
Amplitude
27. The ability of a capacitor to store electrical charge.
Decoder
Address
DRAM
Capacitance
28. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Kirchoff's Voltage Law
Data Sheet
Central processing unit
Dependency notation
29. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.
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30. A programming language that uses English like words and has a one- to- one correspondence to machine language
Distributive Law
CMOS
Bleeder Current
Assembly language
31. 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
bed- of- nails
Kirchoff's Current Law(KCL)
Norton's Theorem
Admittance
32. Information in numeric - alphabetic - or other form.
Combinational logic
Data
DIMM
Current sinking
33. The process or sequence of operations carried out to program a target device
Design flow
Decrement
Data
Don't Care...
34. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Average value
Baseline
Autotransformer
Buffer
35. A type of magnetic tape format
Digital linear tape
Choke
Controller
Capacity
36. The process that prevents two sources from using a bus at the same time
AND
Demultiplexer
CLB (Configurable Logic Block)
Bus arbitration
37. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Amplitude
Bus arbitration
DRAM
Bus
38. The application of a dc voltage to an electronic device to produce a desired mode of operation
Charge
Bias
Vx=(Vs * Rx) /RT
Kirchoff's Current Law(KCL)
39. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Alphanumeric
Boundary scan
Associative law
DTE
40. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Circuit
Array
Apparent power
Adder
41. 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
Dual in - line package
Bleeder Current
bed- of- nails
Data bus
42. Data Terminal equipment
Bode Plot
DAT
Baseline
DTE
43. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Architecture
Bus contention
Cache memory
Digital linear tape
44. 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.
Autotransformer
Array
Circuit Breaker
Controller
45. A program that converts English- like mnemonics into machine code
Delta Modulation
Carry
Charge
Assembler
46. In Boolean algebra - the OR operation
ANSI
Boolean addition
Baseline
Control Unit
47. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Decoder
Data
Vx=(Vs * Rx) /RT
Amplitude
48. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Analog
Cache memory
Array
Branch Current
49. One of the three regions in a bipolar Junction transistor(North junction of NpN)
CLB (Configurable Logic Block)
ANSI
Collector
Bus
50. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Bidirectional shift Register
BJT
Battery
Access time