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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. 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
Attenuation
Base address
Admittance
BJT
2. 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
Ampere- hour(Ah) rating
AND gate
Decade Counter
3. A receiving device on a bus
Acceptor
Data bus
Center Tap
Design flow
4. 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.
Antifuse
BIOS
Controller
Array
5. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Bus interface unit
CLB (Configurable Logic Block)
Center Tap
Central processing unit
6. An expression of variables and operators used to express the operation of a logic circuit
DIMM
Associative law
Boolean expression
Bidirectional shift Register
7. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory
Cascade
DRAM
Comparator
Cache memory
8. A logic gate that produces a High output only when all of the inputs are HIGH
CMOS
Address
Attenuation
AND gate
9. One current path in a parallel circuit; a current path that connects two nodes
Decade Counter
Clock
Branch
Bit time
10. A digital circuit device that converts coded information into another (familiar) or noncoded form
Don't Care...
Bus arbitration
Decoder
CMOS
11. A programming language that uses English like words and has a one- to- one correspondence to machine language
Decimal
AND array
Diode
Assembly language
12. The unit of electrical current
Complement
Ampere
Battery
Circular Mil (CM)
13. Digital audio tape; a type of magnetic tape format
DAT
Ampere
Compiler
Assembly language
14. The beginning address of a segment of memory
Delta Modulation
Branch
Boundary scan
Base address
15. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Band- stop filter
Choke
Circuit
Control Bus
16. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Capacitance Reactance
Buffer
Cache memory
Binary
17. Dual in - line memory module
DIMM
CLB (Configurable Logic Block)
Adjacency
Cross - assembler
18. A device used to convert an analog signal to a sequence of digital codes
Code
Attenuation
Compiler
Analog- to- digital converter(ADC)
19. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Duty cycle
Decade
Distributive Law
Bit
20. The process or sequence of operations carried out to program a target device
Distributive Law
BIOS
Angular Velocity
Design flow
21. The process of converting an analog signal to digital form
Data Sheet
Analog- to- digital (A/D) conversion
Carry
Addend
22. 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
CMOS
BEDO DRAM
Band- stop filter
Complement
23. 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
Balanced Bridge
Array
Compiler
Aliasing
24. In Boolean algebra - the OR operation
DAT
Base address
Boolean addition
Base
25. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Address
DMA
Bandwidth
Angular Velocity
26. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference
Associative law
AND array
Demultiplexer
Binary
27. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
DIMM
Aliasing
Kirchoff's Voltage Law
28. In Boolean algebra - the AND operation
Boolean multiplication
Digital linear tape
Comparator
Autotransformer
29. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic
Vx=(Vs * Rx) /RT
BJT
Central processing unit
Combinational logic
30. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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183
31. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
AND
Associative law
Charge
CMOS
32. 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
DMA
Carry propagation
Thevenin Equivalent Circuit
DIMM
33. 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
Decade Counter
Bode Plot
Bistable
Bias
34. Transistor-Transistor Logic and is implemented with bipolar junction transistors
TTL
Cache memory
Controller
Choke
35. 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
Ampere
CLB (Configurable Logic Block)
Control Unit
Amplitude
36. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Comparator
Design flow
Boolean expression
Capacity
37. Having two stable states. Flip- flops and latches are bistable multivibrators.
Decode
Clock
Bus
Bistable
38. A combined coder and decoder
Kirchoff's Voltage Law
Code
Dynamic Memory
ALU
39. In addition - the number to which the addend is added
Augend
Complement
Distributive Law
Bit time
40. A condition where all the load currents are equal and the neutral current is zero
Atom
Balanced Load
Decrement
bed- of- nails
41. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
AND array
AWG
Closed circuit
Charge
42. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Don't Care...
Balanced Bridge
Dividend
Array
43. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Demultiplexer
Average value
Atomic number
D Flip-Flop
44. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Band- pass filter
ABEL(Advance Boolean Expression Language)
Component
Baseline
45. A circuit with a complete current path
Closed circuit
Acceptor
Thevenin Equivalent Circuit
Boolean expression
46. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Carry generation
Angular Velocity
Control Bus
ANSI
47. Altera HDL; a nonstandard HDL
AHDL
Associative law
Vx=(Vs * Rx) /RT
Address Bus
48. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Data Sheet
Bit time
Dynamic Memory
Delta Modulation
49. A software compiler language for SPLD programming; a type of hardware description language (HDL)
AWG
ABEL(Advance Boolean Expression Language)
Capacitor
AHDL
50. A connection at the midpoint of a winding in a transformer
Bleeder Current
Center Tap
Central processing unit
Bipolar