SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 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
Thevenin Equivalent Circuit
Astable
Atomic number
Complement
2. An expression of variables and operators used to express the operation of a logic circuit
Boundary scan
Boolean expression
Band- pass filter
Base
3. The effect created when a signal is sampled at less than twice the signal frequency. Aliasing creates unwanted frequencies that interfere with the signal frequency.
Access time
Cascade
Aliasing
Central processing unit
4. In addition - the number to which the addend is added
CMOS
Augend
Bus
Closed circuit
5. An electrical instrument used to measure current
Ammeter
Band- pass filter
Comparator
Branch Current
6. The process that prevents two sources from using a bus at the same time
Decoder
Decade
Bus arbitration
Autotransformer
7. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.
Decimal
Debug
Capacitor
Circular Mil (CM)
8. Data Terminal equipment
Baseline
DTE
Assembler
Thevenin Equivalent Circuit
9. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Baseline
Bias
CMOS
Data bus
10. 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.
Dynamic Memory
Circuit
Acceptor
AND array
11. 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
Adder
Decade Counter
Aliasing
Control Bus
12. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function
Circuit
Code
Distributive Law
Decimal
13. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)
AND
Combinational logic
Circular Mil (CM)
Average value
14. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.
Band- pass filter
Bias
TTL
Array
15. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.
Admittance
Dual in - line package
Band- pass filter
Boolean expression
16. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Asynchronous counter
Boundary scan
Collector
Band- stop filter
17. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Circuit
Decode
Data Sheet
Capacitance Reactance
18. The beginning address of a segment of memory
Band- stop filter
Circular Mil (CM)
Base address
DCE
19. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs
Component
Decode
DSP
Code
20. The current left after the total load current is subtracted from the total current into the circuit
Bleeder Current
Associative law
Bit
Kirchoff's Voltage Law
21. One of the three regions in a bipolar Junction transistor(North junction of NpN)
Collector
DIMM
Digital linear tape
Don't Care...
22. A semiconductor device that conducts current in only one direction
Astable
TTL
Diode
Charge- coupled device
23. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.
Design flow
Dynamic Memory
Array
Bit time
24. In addition - the number that is added to another number called the augend
Addend
Kirchoff's Current Law(KCL)
Capacity
Balanced Load
25. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Capacity
AND array
Augend
ALU
26. The unit of electrical current
Amplitude
Aliasing
Asynchronous counter
Ampere
27. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.
Bandwidth
Don't Care...
Clock
Aliasing
28. 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
Boolean algebra
Charge- coupled device
Adjacency
Branch
29. A programming language that uses English like words and has a one- to- one correspondence to machine language
Assembly language
D Flip-Flop
Delta Modulation
Bleeder Current
30. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.
Battery
Binary coded decimal
Closed circuit
Duty cycle
31. 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.
Control Unit
Astable
Dual in - line package
Autotransformer
32. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
Center Tap
bed- of- nails
D Flip-Flop
ALU
33. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
Cross - assembler
Bus contention
Center Tap
Balanced Bridge
34. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Bipolar
Carry propagation
Dynamic Memory
35. A binary digit - which can be either 1 or 0
Bit
Ampere- hour(Ah) rating
Capacitor
Analog- to- digital (A/D) conversion
36. 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
Amplitude
Bus interface unit
Carry propagation
Digital linear tape
37. Burst extended data output dynamic random- access memory
Adjacency
ANSI
Base address
BEDO DRAM
38. A method of analog- to- digital conversion using a 1- bit quantization process
Delta Modulation
Admittance
Balanced Bridge
Analog
39. The actual current in a branch
Branch Current
Central processing unit
Acceptor
Bistable
40. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents
DCE
Norton's Theorem
Angular Velocity
Admittance
41. Characterized by ten states or values
Bleeder Current
Decade
Average value
Byte
42. A circuit that prevents loading of an input or output
Adder
Ammeter
Buffer
Addend
43. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Circular Mil (CM)
Address
Control Unit
Boolean expression
44. The ability of a capacitor to store electrical charge.
Combinational logic
Carry propagation
Augend
Capacitance
45. The number of protons in a nucleus
Attenuation
Balanced Load
Acceptor
Atomic number
46. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence
Decade
DMA
Dual in - line package
Demultiplexer
47. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).
CMOS Complementary Metal Oxide Semiconductor
Apparent power
AND gate
Byte
48. American wire gauge; a standardization based on wire diameter
AWG
Addend
Commutative Law
Control Unit
49. A series of bits describing a final design that is sent to the target device during programming
Cache memory
ALU
Ammeter
Bitstream
50. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.
Clock
Amplitude
Bus interface unit
Antifuse