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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 document that specifies parameter values and operating conditions for an integrated circuits or other device
ALU
Data Sheet
Circuit
DRAM
2. 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
Bitstream
Alphanumeric
CLB (Configurable Logic Block)
Augend
3. The current left after the total load current is subtracted from the total current into the circuit
Bidirectional shift Register
Bleeder Current
DCE
Counter
4. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Circuit Breaker
Cache memory
Admittance
Clock
5. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
DMA
AHDL
AND gate
6. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
BIOS
Data Selector
Bus interface unit
Angular Velocity
7. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Acceptor
Array
ALU
Branch Current
8. In addition - the number that is added to another number called the augend
Associative law
Buffer
Addend
Capacitance Reactance
9. 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
DTE
Debug
ALU
Bode Plot
10. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Control Bus
CMOS
Circuit
Decode
11. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Bus contention
Baseline
Atom
Capacity
12. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
Bus contention
Boolean multiplication
AND array
13. 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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14. Transistor-Transistor Logic and is implemented with bipolar junction transistors
ASCII
BIOS
Digital linear tape
TTL
15. A combined coder and decoder
Bit time
Code
Adder
Boolean multiplication
16. A logic gate that produces a High output only when all of the inputs are HIGH
Bit time
Capacity
AND gate
Bipolar
17. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Debug
BJT
Bus contention
18. A program that converts English- like mnemonics into machine code
Binary coded decimal
Assembler
Aliasing
Bias
19. Burst extended data output dynamic random- access memory
Angular Velocity
BEDO DRAM
Address
Bit
20. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Bitstream
DAT
Address
Data Sheet
21. The maximum value of a voltage or current
Address Bus
Digital linear tape
Current sinking
Amplitude
22. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load
Ampere- hour(Ah) rating
Kirchoff's Current Law(KCL)
Boolean expression
ABEL(Advance Boolean Expression Language)
23. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Demultiplexer
Data
Battery
Ampere
24. The time from the application of a valid memory address to the appearance of valid output data
Access time
Balanced Load
Asynchronous counter
Data bus
25. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
AND array
DCE
Norton's Theorem
26. The unit of electrical current
Binary coded decimal
Circuit Breaker
Ampere
Decade Counter
27. Having two directions. the stored data can be shifted right or left
Bus arbitration
Kirchoff's Voltage Law
Bidirectional shift Register
Dual in - line package
28. 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
Data bus
Dynamic Memory
Data Sheet
Code
29. In Boolean algebra - the AND operation
Array
ANSI
Boolean multiplication
Bandwidth
30. A group of eight bits
Autotransformer
Byte
Analog
Decade
31. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Address
Angular Velocity
Vx=(Vs * Rx) /RT
ASCII
32. Information in numeric - alphabetic - or other form.
Center Tap
Amplitude
Data
Atom
33. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Bandwidth
DMA
Carry propagation
Analog
34. 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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35. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
D Flip-Flop
Associative law
Collector
Band- stop filter
36. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
bed- of- nails
Norton's Theorem
Angular Velocity
Control Unit
37. An array of AND gates consisting of a matrix of programmable interconnection
Analog
BJT
AND array
Band- pass filter
38. A unit of the cross - sectional area of a wire.
Decoder
Duty cycle
Circular Mil (CM)
Cascade
39. A binary digit - which can be either 1 or 0
Dependency notation
Aliasing
Bit
Base
40. A type of magnetic tape format
Clock
Ampere
Digital linear tape
Address Bus
41. An electrical instrument used to measure current
Ammeter
CPLD
Cascade
Closed circuit
42. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Average value
Dual in - line package
Collector
Commutative Law
43. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Commutative Law
Boundary scan
Bus arbitration
Addend
44. One current path in a parallel circuit; a current path that connects two nodes
Band- stop filter
Boolean algebra
Branch
AWG
45. The actual current in a branch
Alphanumeric
Branch Current
Branch
AWG
46. A receiving device on a bus
Acceptor
Band- stop filter
D Flip-Flop
Decade Counter
47. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
DSP
Carry generation
Base address
Binary
48. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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49. Describes a number system with a base of ten
Decimal
AND
Augend
Concurrency
50. 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
BJT
Bus arbitration
Atomic number
Compiler