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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 programming language that uses English like words and has a one- to- one correspondence to machine language
Bipolar
Assembly language
Baseline
Demultiplexer
2. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Debug
Dynamic Memory
Carry propagation
Capacitance
3. 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.
Norton's Theorem
Bit
Bleeder Current
Architecture
4. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Current sinking
Dependency notation
Control Unit
5. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Base
Clear
Band- stop filter
Duty cycle
6. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Bandwidth
Dependency notation
Closed circuit
Admittance
7. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Byte
Decrement
Data bus
8. The process or sequence of operations carried out to program a target device
Cascade
Code
Design flow
CPLD
9. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Balanced Load
Bias
Collector
Component
10. To decrease the binary state of a counter by one
Complement
Circuit
Decrement
Circular Mil (CM)
11. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Circular Mil (CM)
Debug
Charge
Concurrency
12. The smallest particle of an element possessing the unique characteristics of that element.
Byte
Atom
Choke
Circular Mil (CM)
13. An electrical instrument used to measure current
Access time
DSP
Ammeter
Capacity
14. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Don't Care...
Amplitude
Carry
Bistable
15. A digital counter having ten states
ASCII
Baseline
Decade Counter
Bus contention
16. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Diode
Adjacency
Commutative Law
ALU
17. 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.
Digital linear tape
Circuit
CMOS Complementary Metal Oxide Semiconductor
AND gate
18. The number of protons in a nucleus
Bit
CMOS
ABEL(Advance Boolean Expression Language)
Atomic number
19. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Asynchronous counter
Array
Charge- coupled device
Decimal
20. A type of IC package whose leads must pass through holes to the other side of a PC board
Boolean multiplication
Data
Admittance
Dual in - line package
21. Sum of all the voltage drops in series equals to the source voltage
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22. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Kirchoff's Current Law(KCL)
Concurrency
Analog
Compiler
23. 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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24. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.
CMOS
Code
CPLD
Kirchoff's Voltage Law
25. In addition - the number that is added to another number called the augend
Assembly language
Dependency notation
Counter
Addend
26. 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
Apparent power
Duty cycle
BJT
Byte
27. A receiving device on a bus
Balanced Bridge
Acceptor
Choke
Concurrency
28. The digit generated when the sum of two binary digits exceeds 1
Carry
CMOS Complementary Metal Oxide Semiconductor
Boolean multiplication
Autotransformer
29. 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
Analog
Norton's Theorem
Ammeter
Carry propagation
30. One current path in a parallel circuit; a current path that connects two nodes
Analog- to- digital (A/D) conversion
Don't Care...
Battery
Branch
31. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Code
Bus contention
DMA
TTL
32. 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
Bipolar
Cascade
Combinational logic
33. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
CPLD
Binary
Digital linear tape
34. A logic circuit used to add two binary numbers
Adder
CLB (Configurable Logic Block)
Component
Thevenin Equivalent Circuit
35. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.
Choke
Decade Counter
AND gate
Controller
36. A unit of the cross - sectional area of a wire.
Bus interface unit
Boolean expression
Counter
Circular Mil (CM)
37. Data Terminal equipment
Bandwidth
DTE
Commutative Law
Bus
38. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Address Bus
Distributive Law
Commutative Law
Code
39. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Analog
Bus interface unit
Carry propagation
Acceptor
40. The maximum value of a voltage or current
Digital linear tape
ALU
Bode Plot
Amplitude
41. A type of counter in which each stage is clocked from the output of the preceding stage.
Demultiplexer
Dual in - line package
Delta Modulation
Asynchronous counter
42. Burst extended data output dynamic random- access memory
Cache memory
BEDO DRAM
Counter
Collector
43. In Boolean algebra - the OR operation
AWG
Boolean addition
TTL
Augend
44. 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
bed- of- nails
Bit time
Kirchoff's Current Law(KCL)
Bus interface unit
45. 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
Comparator
Clear
Decade
46. A class of integrated logic circuits that is implemented with a type of field effect transistor
Ampere- hour(Ah) rating
CMOS Complementary Metal Oxide Semiconductor
Vx=(Vs * Rx) /RT
Central processing unit
47. The unit of electrical current
Ampere
DRAM
ABEL(Advance Boolean Expression Language)
Bipolar
48. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Charge- coupled device
Combinational logic
BIOS
Bus
49. 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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50. 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.
Norton's Theorem
DAT
Control Unit
AND array