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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 law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product
Distributive Law
Circular Mil (CM)
Data bus
Circuit
2. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Diode
Band- stop filter
Capacitor
Asynchronous counter
3. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Code
Address Bus
BIOS
Data Sheet
4. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Binary
Capacitor
Component
Decade Counter
5. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Capacity
Thevenin Equivalent Circuit
Angular Velocity
CMOS
6. Information in numeric - alphabetic - or other form.
Bus interface unit
Augend
Data
Boolean expression
7. A type of magnetic tape format
Digital linear tape
CMOS Complementary Metal Oxide Semiconductor
CMOS
Circular Mil (CM)
8. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program
Antifuse
Aliasing
Base address
Closed circuit
9. A series of bits describing a final design that is sent to the target device during programming
AND gate
Binary coded decimal
Bitstream
Compiler
10. A class of integrated logic circuits that is implemented with a type of field effect transistor
Adder
Apparent power
CMOS Complementary Metal Oxide Semiconductor
Commutative Law
11. 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
Buffer
Comparator
ANSI
Ampere- hour(Ah) rating
12. A condition where all the load currents are equal and the neutral current is zero
D Flip-Flop
BJT
DRAM
Balanced Load
13. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Clock
Address
ALU
Baseline
14. The beginning address of a segment of memory
Bode Plot
Bus interface unit
Binary coded decimal
Base address
15. Altera HDL; a nonstandard HDL
Bus contention
Commutative Law
Bandwidth
AHDL
16. A binary digit - which can be either 1 or 0
Array
Bit
ASCII
Bus interface unit
17. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
Ampere- hour(Ah) rating
Norton's Theorem
Bleeder Current
AND
18. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.
Debug
Addend
Bit
Data Selector
19. The process that prevents two sources from using a bus at the same time
D Flip-Flop
Design flow
Bus arbitration
Bit time
20. A device used to convert an analog signal to a sequence of digital codes
Adder
Analog- to- digital converter(ADC)
Bleeder Current
Complement
21. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Concurrency
Analog- to- digital converter(ADC)
Battery
ALU
22. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Capacitor
Address Bus
AHDL
Amplitude
23. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Diode
Decrement
Clear
Demultiplexer
24. A logic circuit used to add two binary numbers
Adder
Diode
Circuit
Cache memory
25. A combined coder and decoder
Bleeder Current
Code
Addend
Capacity
26. A method of analog- to- digital conversion using a 1- bit quantization process
Assembler
Digital linear tape
Branch Current
Delta Modulation
27. The process of converting an analog signal to digital form
Analog- to- digital converter(ADC)
Bistable
Circular Mil (CM)
Analog- to- digital (A/D) conversion
28. Having two stable states. Flip- flops and latches are bistable multivibrators.
Bistable
Asynchronous counter
ABEL(Advance Boolean Expression Language)
Binary
29. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Analog- to- digital (A/D) conversion
Decade Counter
Amplitude
Bus
30. The actual current in a branch
Concurrency
Baseline
Circular Mil (CM)
Branch Current
31. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
BIOS
Duty cycle
DIMM
Addend
32. An array of AND gates consisting of a matrix of programmable interconnection
Control Unit
AND array
Analog- to- digital converter(ADC)
Combinational logic
33. The digit generated when the sum of two binary digits exceeds 1
Carry
Boundary scan
DTE
BEDO DRAM
34. Digital Signal Processor; a special type of microprocessor that processes data in real time
AND array
DSP
Compiler
ALU
35. Data Terminal equipment
Bus arbitration
Bus contention
DTE
Admittance
36. In a division operation the quantity that is being divided
Branch Current
Clock
Admittance
Dividend
37. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.
Aliasing
Duty cycle
Commutative Law
Capacitance Reactance
38. 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
Base address
Cascade
Bidirectional shift Register
AND
39. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Bit
Antifuse
Angular Velocity
DAT
40. 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
Debug
Band- pass filter
Carry propagation
Architecture
41. 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
BJT
Decode
Bus interface unit
42. One of the three regions in a bipolar junction transistor
Baseline
Battery
Angular Velocity
Base
43. A type of IC package whose leads must pass through holes to the other side of a PC board
Dual in - line package
Decimal
Apparent power
Digital linear tape
44. A circuit that prevents loading of an input or output
AND gate
Balanced Bridge
Buffer
Clock
45. In Boolean algebra - the OR operation
Branch
Boolean addition
DAT
Address Bus
46. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Cache memory
Code
Control Unit
Asynchronous counter
47. 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
Carry
Component
Adjacency
Clock
48. 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
Carry
Clear
Choke
Center Tap
49. A software compiler language for SPLD programming; a type of hardware description language (HDL)
ABEL(Advance Boolean Expression Language)
Autotransformer
Decade Counter
Clock
50. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Data
Control Unit
Component
Compiler