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Test your basic knowledge |
Digital Fundamentals
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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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. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Architecture
AND array
Digital linear tape
2. A combined coder and decoder
BIOS
Code
Bias
AND gate
3. 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
Debug
Address
CPLD
4. 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
Associative law
Adjacency
Carry propagation
Boundary scan
5. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Data bus
DCE
Bus interface unit
Boolean addition
6. 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.
Bitstream
Base
Decade
Control Unit
7. A programming language that uses English like words and has a one- to- one correspondence to machine language
Asynchronous counter
Bidirectional shift Register
Assembly language
Distributive Law
8. Digital Signal Processor; a special type of microprocessor that processes data in real time
Capacitance Reactance
AND array
Thevenin Equivalent Circuit
DSP
9. A condition where all the load currents are equal and the neutral current is zero
Antifuse
Bistable
Balanced Load
Combinational logic
10. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits
Kirchoff's Current Law(KCL)
TTL
Binary coded decimal
Central processing unit
11. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Don't Care...
Buffer
Comparator
12. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Base
Apparent power
Counter
Associative law
13. Data Terminal equipment
Bandwidth
DTE
Bipolar
Delta Modulation
14. Altera HDL; a nonstandard HDL
AHDL
Address Bus
Balanced Load
Autotransformer
15. The beginning address of a segment of memory
Bleeder Current
Kirchoff's Voltage Law
Base address
Current sinking
16. 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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17. 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
Control Bus
AND array
DCE
Duty cycle
18. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Data Sheet
Base address
Adjacency
Band- pass filter
19. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
Design flow
Array
Band- stop filter
20. In addition - the number to which the addend is added
Atom
Augend
Adder
Component
21. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Bitstream
Autotransformer
ABEL(Advance Boolean Expression Language)
Asynchronous counter
22. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Bus
TTL
Capacitance Reactance
D Flip-Flop
23. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Circuit Breaker
Boundary scan
CPLD
24. American National Standards Institute
Cross - assembler
Architecture
BEDO DRAM
ANSI
25. An array of AND gates consisting of a matrix of programmable interconnection
Comparator
Data
AND array
Assembler
26. The actual current in a branch
Aliasing
Branch Current
Bidirectional shift Register
Closed circuit
27. The digit generated when the sum of two binary digits exceeds 1
CLB (Configurable Logic Block)
Branch
Kirchoff's Voltage Law
Carry
28. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits
Binary
Clear
Band- stop filter
Decoder
29. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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30. American wire gauge; a standardization based on wire diameter
Amplitude
Controller
Band- pass filter
AWG
31. The unit of electrical current
CMOS
Ampere
DRAM
Asynchronous counter
32. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Astable
Controller
Component
Address Bus
33. A program that converts English- like mnemonics into machine code
Kirchoff's Voltage Law
Bipolar
Assembler
Addend
34. 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
Buffer
ABEL(Advance Boolean Expression Language)
Clear
Carry propagation
35. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Code
Center Tap
Capacitor
Alphanumeric
36. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Compiler
Closed circuit
Vx=(Vs * Rx) /RT
Bit time
37. Information in numeric - alphabetic - or other form.
Bus contention
Branch
Data
Architecture
38. 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.
Clear
Antifuse
Circuit Breaker
Attenuation
39. A class of integrated logic circuits that is implemented with a type of field effect transistor
Controller
CMOS Complementary Metal Oxide Semiconductor
Apparent power
Bidirectional shift Register
40. The current left after the total load current is subtracted from the total current into the circuit
Average value
Debug
Bleeder Current
Access time
41. A digital circuit device that converts coded information into another (familiar) or noncoded form
Concurrency
Branch
Ampere
Decoder
42. The smallest particle of an element possessing the unique characteristics of that element.
Control Unit
Bias
Atom
Boolean algebra
43. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Vx=(Vs * Rx) /RT
Duty cycle
Central processing unit
Admittance
44. A digital counter having ten states
Decade Counter
CLB (Configurable Logic Block)
Don't Care...
Boolean addition
45. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously
Comparator
Control Unit
Concurrency
Antifuse
46. The normal level of a pulse waveform; the voltage level in the absence of a pulse.
Average value
Baseline
Circular Mil (CM)
Carry
47. A logic gate that produces a High output only when all of the inputs are HIGH
Circular Mil (CM)
Don't Care...
AND gate
Asynchronous counter
48. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CPLD
Augend
Dynamic Memory
Band- stop filter
49. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Baseline
Atom
AND
Address
50. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides
bed- of- nails
Apparent power
Adjacency
Demultiplexer
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