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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. In Boolean algebra - the OR operation
Boolean addition
Dual in - line package
Delta Modulation
Bidirectional shift Register
2. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Clock
Amplitude
AHDL
Demultiplexer
3. Information in numeric - alphabetic - or other form.
Data
Controller
Kirchoff's Current Law(KCL)
Cross - assembler
4. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Band- pass filter
Debug
Boundary scan
D Flip-Flop
5. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Decimal
Buffer
Central processing unit
Circuit Breaker
6. A unit of the cross - sectional area of a wire.
Bipolar
Bistable
Attenuation
Circular Mil (CM)
7. Data Terminal equipment
Code
Clear
Don't Care...
DTE
8. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Balanced Bridge
DAT
Digital linear tape
Comparator
9. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Decimal
TTL
BIOS
Distributive Law
10. In addition - the number to which the addend is added
Comparator
Branch Current
Astable
Augend
11. 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
Circuit
Choke
Data Sheet
Cascade
12. American National Standards Institute
Analog- to- digital converter(ADC)
Vx=(Vs * Rx) /RT
ANSI
Ampere- hour(Ah) rating
13. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
ALU
Dual in - line package
Digital linear tape
Carry
14. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Band- pass filter
Circuit
Angular Velocity
DCE
15. The process that prevents two sources from using a bus at the same time
Branch Current
DMA
Bus arbitration
Boolean addition
16. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
Data Sheet
Admittance
Diode
Acceptor
17. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Circuit
DTE
Concurrency
Dynamic Memory
18. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.
Base address
Branch Current
Center Tap
Average value
19. A circuit that prevents loading of an input or output
Buffer
Data bus
Combinational logic
Cascade
20. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
DMA
Comparator
Admittance
Clock
21. 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
Atom
Control Bus
Capacity
Controller
22. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Kirchoff's Voltage Law
Data Sheet
Buffer
Code
23. A circuit with a complete current path
Closed circuit
Bus arbitration
CMOS Complementary Metal Oxide Semiconductor
Antifuse
24. A software compiler language for SPLD programming; a type of hardware description language (HDL)
Ampere
Balanced Load
ANSI
ABEL(Advance Boolean Expression Language)
25. The action of a circuit in which it accepts current into its output from a load
CPLD
Code
Current sinking
Dual in - line package
26. 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.
Demultiplexer
Data Selector
Vx=(Vs * Rx) /RT
Norton's Theorem
27. 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
CMOS
Decimal
Adjacency
28. Having two opposites charge carriers within the transistor structure
Apparent power
Control Bus
Bipolar
Binary coded decimal
29. A group of eight bits
Average value
Byte
Balanced Bridge
BIOS
30. A method of analog- to- digital conversion using a 1- bit quantization process
Dynamic Memory
DTE
Delta Modulation
Bus arbitration
31. 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
Bus contention
Dynamic Memory
Carry propagation
BJT
32. An expression of variables and operators used to express the operation of a logic circuit
BJT
Analog
Boolean expression
Decrement
33. In addition - the number that is added to another number called the augend
Addend
Adder
DIMM
Baseline
34. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
CPLD
Charge
Decode
Adder
35. An electrical instrument used to measure current
Ammeter
Band- stop filter
Circuit Breaker
Carry
36. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory
Circuit Breaker
ASCII
Cache memory
Bipolar
37. A type of counter in which each stage is clocked from the output of the preceding stage.
Cross - assembler
Asynchronous counter
CPLD
Cache memory
38. 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
Angular Velocity
Decrement
Bleeder Current
39. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Ampere- hour(Ah) rating
DSP
Boolean multiplication
Bit time
40. Data Communications equipment
CMOS Complementary Metal Oxide Semiconductor
Decimal
DCE
Base
41. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Decode
CPLD
AND array
Kirchoff's Current Law(KCL)
42. 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.
Bit
Data Selector
Circuit
Data Sheet
43. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
Branch
Bus interface unit
Kirchoff's Current Law(KCL)
Angular Velocity
44. The ability of a capacitor to store electrical charge.
Data
TTL
Capacitance
DCE
45. A type of IC package whose leads must pass through holes to the other side of a PC board
Data Selector
Duty cycle
Dual in - line package
Complement
46. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.
Circular Mil (CM)
Analog
Combinational logic
Decade
47. 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
Complement
Bit time
AND gate
Carry
48. The process of producing an output carry in full- adder when both input bits are 1s.
Carry generation
Base
BJT
Duty cycle
49. A class of integrated logic circuits that is implemented with a type of field effect transistor
CMOS Complementary Metal Oxide Semiconductor
Access time
Alphanumeric
Associative law
50. The actual current in a branch
Addend
Branch Current
Autotransformer
Boundary scan