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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 maximum value of a voltage or current
Amplitude
Bleeder Current
Antifuse
Clock
2. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Baseline
Boolean multiplication
Bandwidth
Capacitance Reactance
3. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.
Control Unit
Branch
Average value
Counter
4. In Boolean algebra - the OR operation
Angular Velocity
Aliasing
Boolean addition
Kirchoff's Current Law(KCL)
5. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Band- stop filter
Boolean multiplication
DCE
Component
6. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Associative law
Circuit
bed- of- nails
Circuit
7. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Boundary scan
Branch
Code
Band- pass filter
8. 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
Branch Current
Cascade
Central processing unit
Amplitude
9. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Data bus
Antifuse
Dependency notation
Distributive Law
10. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Bipolar
Circuit
AND gate
BIOS
11. American wire gauge; a standardization based on wire diameter
AWG
Capacitor
Comparator
Kirchoff's Voltage Law
12. 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.
Current sinking
Carry
DCE
Architecture
13. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Dynamic Memory
Bandwidth
Bus arbitration
Design flow
14. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function
Dependency notation
BJT
Address Bus
Dynamic Memory
15. 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
Baseline
DCE
Assembler
Ampere- hour(Ah) rating
16. 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.
Debug
Boolean expression
Carry generation
Circuit
17. Describes a number system with a base of ten
Clear
TTL
Dual in - line package
Decimal
18. Having two stable states. Flip- flops and latches are bistable multivibrators.
DIMM
Bus interface unit
Branch
Bistable
19. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
DSP
Charge- coupled device
Band- pass filter
Amplitude
20. Transistor-Transistor Logic and is implemented with bipolar junction transistors
Ampere
TTL
Design flow
Bidirectional shift Register
21. The actual current in a branch
Branch Current
Complement
Decode
AND array
22. The unit of electrical current
Ampere
Capacitance
BEDO DRAM
Don't Care...
23. A resettable protective device used for interrupting execessive current in an electric circuit
Circuit Breaker
Data bus
Data Sheet
Delta Modulation
24. Dual in - line memory module
Baseline
DIMM
Dividend
Dual in - line package
25. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Data bus
Bleeder Current
Analog
Dual in - line package
26. A binary digit - which can be either 1 or 0
Bit
DIMM
Design flow
Vx=(Vs * Rx) /RT
27. The time from the application of a valid memory address to the appearance of valid output data
Acceptor
Bus interface unit
Access time
ALU
28. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Buffer
Band- stop filter
CPLD
Central processing unit
29. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Data bus
Decoder
Atomic number
Amplitude
30. 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
Bias
Circular Mil (CM)
Clear
BIOS
31. The number of protons in a nucleus
Adder
Counter
Control Unit
Atomic number
32. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Counter
Kirchoff's Current Law(KCL)
Capacity
Bipolar
33. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Complement
DAT
Address
Bistable
34. In addition - the number that is added to another number called the augend
ASCII
Addend
Antifuse
Address
35. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
Address
Ampere- hour(Ah) rating
AND gate
36. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Circular Mil (CM)
Closed circuit
Collector
Current sinking
37. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Code
Augend
Bleeder Current
38. A receiving device on a bus
Battery
Atom
Acceptor
Controller
39. The current left after the total load current is subtracted from the total current into the circuit
Address
Balanced Load
Bleeder Current
Bode Plot
40. A circuit with a complete current path
Battery
Norton's Theorem
Apparent power
Closed circuit
41. The smallest particle of an element possessing the unique characteristics of that element.
Analog- to- digital converter(ADC)
Complement
Atom
Boolean addition
42. 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
BJT
AHDL
Base address
Compiler
43. In Boolean algebra - the AND operation
Amplitude
Kirchoff's Voltage Law
Autotransformer
Boolean multiplication
44. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Thevenin Equivalent Circuit
Amplitude
Analog- to- digital (A/D) conversion
45. 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
Clock
Ampere- hour(Ah) rating
DMA
46. Sum of all the voltage drops in series equals to the source voltage
47. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
DIMM
Dynamic Memory
BJT
ALU
48. 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
Binary
Diode
Binary coded decimal
49. The mathematics of logic circuits
Boolean algebra
ANSI
Clear
Augend
50. The process of converting an analog signal to digital form
Analog- to- digital (A/D) conversion
DTE
AHDL
Circular Mil (CM)