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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 one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Kirchoff's Current Law(KCL)
Access time
Address Bus
Current sinking
2. American Standard Code for Information Interchange; the most widely used alphanumeric code.
ASCII
Capacitor
Assembler
Astable
3. Sum of all the voltage drops in series equals to the source voltage
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183
4. One of the three regions in a bipolar Junction transistor(North junction of NpN)
ALU
AND
Collector
Circuit
5. In addition - the number to which the addend is added
AND array
Circuit
Charge
Augend
6. 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
Distributive Law
Dividend
bed- of- nails
Carry
7. Having two directions. the stored data can be shifted right or left
Commutative Law
DSP
CLB (Configurable Logic Block)
Bidirectional shift Register
8. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Buffer
Circuit
Apparent power
Carry propagation
9. Burst extended data output dynamic random- access memory
Boolean algebra
Baseline
BEDO DRAM
Circuit
10. Data Terminal equipment
Branch Current
DTE
AND
Ammeter
11. 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
Dividend
DCE
Complement
Kirchoff's Voltage Law
12. In a division operation the quantity that is being divided
Controller
CPLD
Dividend
Band- stop filter
13. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Comparator
Astable
Central processing unit
14. In Boolean algebra - the OR operation
Bleeder Current
Boolean addition
Combinational logic
Attenuation
15. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Circuit
Bipolar
Closed circuit
16. 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
Capacitance
Carry generation
Clock
Comparator
17. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Choke
Admittance
Decoder
Boolean addition
18. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Capacity
Augend
Decode
Band- pass filter
19. The actual current in a branch
Control Bus
AND array
Branch Current
Battery
20. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
Apparent power
Decode
Asynchronous counter
Circuit
21. 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
Demultiplexer
Analog
Array
Carry propagation
22. A combined coder and decoder
Associative law
Combinational logic
Carry generation
Code
23. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Boundary scan
Kirchoff's Current Law(KCL)
CMOS Complementary Metal Oxide Semiconductor
Control Unit
24. 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
Vx=(Vs * Rx) /RT
BJT
Complement
AND
25. Having two opposites charge carriers within the transistor structure
CMOS
Bipolar
Data bus
DCE
26. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Analog- to- digital (A/D) conversion
Ampere- hour(Ah) rating
Amplitude
Autotransformer
27. Altera HDL; a nonstandard HDL
Boolean multiplication
AHDL
Commutative Law
Decade Counter
28. An array of AND gates consisting of a matrix of programmable interconnection
Adjacency
Data Sheet
AND array
Concurrency
29. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Adjacency
Cache memory
Decimal
Choke
30. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Digital linear tape
DSP
Distributive Law
Bit time
31. 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
Baseline
Component
Clear
Control Bus
32. Information in numeric - alphabetic - or other form.
Component
Adjacency
Closed circuit
Data
33. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Angular Velocity
Bus interface unit
Bit
DCE
34. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor
Cross - assembler
Associative law
Band- pass filter
Aliasing
35. A logic gate that produces a High output only when all of the inputs are HIGH
Bias
Apparent power
Counter
AND gate
36. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Analog
Bitstream
Bus interface unit
Choke
37. An electrical instrument used to measure current
BJT
Ammeter
DCE
Average value
38. The number of protons in a nucleus
Central processing unit
Atomic number
CMOS Complementary Metal Oxide Semiconductor
Ampere
39. 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
Atomic number
Address Bus
Combinational logic
Control Bus
40. A logic circuit used to add two binary numbers
Bus interface unit
Adder
Alphanumeric
ABEL(Advance Boolean Expression Language)
41. Data Communications equipment
DCE
Branch
DIMM
Controller
42. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Concurrency
Astable
Current sinking
Base address
43. 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
Decimal
Autotransformer
CLB (Configurable Logic Block)
Antifuse
44. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
DSP
DCE
Architecture
45. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Atomic number
Balanced Bridge
Atom
Circuit Breaker
46. American wire gauge; a standardization based on wire diameter
Comparator
AWG
Architecture
Collector
47. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Commutative Law
Boolean multiplication
Counter
48. The process that prevents two sources from using a bus at the same time
Bus arbitration
Bit
Don't Care...
Central processing unit
49. Digital audio tape; a type of magnetic tape format
Capacitance Reactance
Band- pass filter
DTE
DAT
50. The current left after the total load current is subtracted from the total current into the circuit
Band- pass filter
Circuit
Decrement
Bleeder Current