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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 type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Binary
CMOS
Branch
Charge- coupled device
2. The current left after the total load current is subtracted from the total current into the circuit
Balanced Load
Associative law
Code
Bleeder Current
3. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Vx=(Vs * Rx) /RT
Commutative Law
Atom
Control Unit
4. American National Standards Institute
ANSI
Ammeter
Architecture
Circuit
5. Data Communications equipment
Commutative Law
DCE
Augend
Clear
6. A program that converts English- like mnemonics into machine code
Compiler
Assembler
Kirchoff's Current Law(KCL)
Assembly language
7. The action of a circuit in which it accepts current into its output from a load
Thevenin Equivalent Circuit
Current sinking
Boundary scan
Duty cycle
8. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Closed circuit
Apparent power
Counter
Baseline
9. The ratio of pulse width to period expressed as a percentage
Apparent power
Duty cycle
Dynamic Memory
Bus interface unit
10. 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.
CMOS
Baseline
Data Selector
Architecture
11. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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12. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Bit
Augend
Band- pass filter
Astable
13. A type of IC package whose leads must pass through holes to the other side of a PC board
AND
Vx=(Vs * Rx) /RT
Dual in - line package
Battery
14. A connection at the midpoint of a winding in a transformer
Kirchoff's Current Law(KCL)
Clock
Center Tap
Data
15. A receiving device on a bus
Acceptor
Circuit Breaker
Component
Angular Velocity
16. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
CLB (Configurable Logic Block)
Ampere- hour(Ah) rating
Distributive Law
AND
17. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
Duty cycle
Ampere
Code
18. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Carry propagation
Dependency notation
Decade Counter
DSP
19. Dual in - line memory module
DIMM
Concurrency
Associative law
Carry generation
20. 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
Address
Distributive Law
DIMM
Clear
21. 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
Capacitance
Decimal
Aliasing
bed- of- nails
22. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.
Bode Plot
Bit
Base
Circuit
23. One current path in a parallel circuit; a current path that connects two nodes
Control Bus
ANSI
Bus interface unit
Branch
24. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Address Bus
Average value
Center Tap
ALU
25. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
DCE
Demultiplexer
Duty cycle
Capacitance
26. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Base address
Combinational logic
Bandwidth
Analog- to- digital (A/D) conversion
27. A circuit that prevents loading of an input or output
DRAM
Carry propagation
Buffer
Dependency notation
28. Digital Signal Processor; a special type of microprocessor that processes data in real time
Data Sheet
Circuit
Debug
DSP
29. A logic circuit used to add two binary numbers
Ampere
D Flip-Flop
Adder
Boolean multiplication
30. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices
Bipolar
Binary coded decimal
Associative law
Control Bus
31. 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
Bit
Bus interface unit
BJT
Complement
32. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
ABEL(Advance Boolean Expression Language)
Code
AHDL
Address Bus
33. An expression of variables and operators used to express the operation of a logic circuit
Boolean expression
Admittance
AND array
ASCII
34. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Carry propagation
Access time
Astable
Apparent power
35. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Ampere- hour(Ah) rating
Assembly language
Design flow
36. A binary digit - which can be either 1 or 0
Bit
Data
Ammeter
Counter
37. 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
Circuit
Data
Closed circuit
Data bus
38. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
Code
ASCII
DCE
39. The actual current in a branch
Branch Current
Bandwidth
Center Tap
Control Unit
40. In Boolean algebra - the OR operation
CMOS
Boolean addition
Bandwidth
Data
41. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Capacity
Adjacency
Controller
DMA
42. A semiconductor device that conducts current in only one direction
Diode
Band- pass filter
Don't Care...
Decoder
43. 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
Binary
Angular Velocity
Compiler
Demultiplexer
44. Having two stable states. Flip- flops and latches are bistable multivibrators.
DIMM
Cross - assembler
Bistable
Data Selector
45. 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
Dependency notation
Access time
Complement
Antifuse
46. Data Terminal equipment
DTE
Acceptor
Carry propagation
Charge
47. A series of bits describing a final design that is sent to the target device during programming
Digital linear tape
Bitstream
DCE
Center Tap
48. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.
Attenuation
Bias
ANSI
Binary
49. An electrical instrument used to measure current
Branch
Circular Mil (CM)
Delta Modulation
Ammeter
50. American wire gauge; a standardization based on wire diameter
Bias
Battery
AWG
Charge