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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. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control
Base address
DCE
DMA
Alphanumeric
2. A resettable protective device used for interrupting execessive current in an electric circuit
Ampere
Buffer
Binary coded decimal
Circuit Breaker
3. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Bias
Binary
Thevenin Equivalent Circuit
Charge
4. A logic circuit used to add two binary numbers
Alphanumeric
Thevenin Equivalent Circuit
Adder
Bit
5. 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
Dual in - line package
Control Bus
Circular Mil (CM)
Amplitude
6. The action of a circuit in which it accepts current into its output from a load
bed- of- nails
Address Bus
Controller
Current sinking
7. The process of producing an output carry in full- adder when both input bits are 1s.
Kirchoff's Current Law(KCL)
D Flip-Flop
TTL
Carry generation
8. A circuit that prevents loading of an input or output
Delta Modulation
Buffer
Boolean multiplication
DAT
9. A method of analog- to- digital conversion using a 1- bit quantization process
ANSI
Balanced Bridge
Cross - assembler
Delta Modulation
10. A receiving device on a bus
Bitstream
Architecture
Dividend
Acceptor
11. 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.
Code
Controller
Compiler
Boundary scan
12. The ability of a capacitor to store electrical charge.
ABEL(Advance Boolean Expression Language)
Address
Capacitance
Capacitance Reactance
13. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit
Assembler
Vx=(Vs * Rx) /RT
Battery
bed- of- nails
14. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Concurrency
Band- pass filter
Amplitude
CMOS
15. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.
Comparator
Astable
Collector
Clock
16. In addition - the number to which the addend is added
Augend
Bistable
Address
Combinational logic
17. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.
Debug
Duty cycle
Apparent power
Amplitude
18. Sum of all the voltage drops in series equals to the source voltage
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19. 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
Admittance
Diode
CLB (Configurable Logic Block)
Dependency notation
20. The smallest particle of an element possessing the unique characteristics of that element.
Control Bus
Bus interface unit
Distributive Law
Atom
21. 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.
Boundary scan
Byte
Access time
Array
22. Describes a number system with a base of ten
Decimal
Bus contention
ALU
Capacity
23. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities
Capacitance Reactance
Capacitor
DAT
Comparator
24. A binary digit - which can be either 1 or 0
Bandwidth
Control Bus
Bidirectional shift Register
Bit
25. A programming language that uses English like words and has a one- to- one correspondence to machine language
Decade
Code
Cache memory
Assembly language
26. The digit generated when the sum of two binary digits exceeds 1
Average value
Digital linear tape
Carry
Bias
27. 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
Combinational logic
Bistable
Capacitance Reactance
28. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.
Apparent power
Augend
DSP
Decode
29. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions
Central processing unit
Cascade
Decade
AND array
30. One current path in a parallel circuit; a current path that connects two nodes
ALU
Base
Balanced Bridge
Branch
31. A type of magnetic tape format
Digital linear tape
Bus contention
Analog- to- digital (A/D) conversion
Component
32. A filter that rejects a range of frequencies lying between two critical frequencies and passes frequencies above and below that range.
Band- stop filter
Address Bus
Autotransformer
Don't Care...
33. 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.
Branch
Control Unit
Dividend
Kirchoff's Current Law(KCL)
34. In Boolean algebra - the OR operation
Data
Complement
Boolean addition
Bistable
35. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed
Charge- coupled device
Vx=(Vs * Rx) /RT
Capacity
Balanced Bridge
36. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor
Kirchoff's Voltage Law
CLB (Configurable Logic Block)
Combinational logic
Thevenin Equivalent Circuit
37. Burst extended data output dynamic random- access memory
Capacitance
Dividend
BEDO DRAM
Dependency notation
38. A connection at the midpoint of a winding in a transformer
Decoder
ALU
Center Tap
Address Bus
39. A device used to convert an analog signal to a sequence of digital codes
Bit
Analog- to- digital converter(ADC)
Debug
ABEL(Advance Boolean Expression Language)
40. The process that prevents two sources from using a bus at the same time
Closed circuit
Adder
Clear
Bus arbitration
41. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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42. Information in numeric - alphabetic - or other form.
Vx=(Vs * Rx) /RT
Data
Acceptor
Array
43. A bridge circuit that is in the balanced state as indicated by 0 V across the output.
Kirchoff's Current Law(KCL)
Balanced Bridge
Circuit
ANSI
44. A type of counter in which each stage is clocked from the output of the preceding stage.
Asynchronous counter
Assembly language
Clear
Choke
45. 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
Adjacency
Norton's Theorem
Complement
Data Sheet
46. Digital Signal Processor; a special type of microprocessor that processes data in real time
Angular Velocity
Base
Band- stop filter
DSP
47. 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.
Data bus
CPLD
Binary coded decimal
Aliasing
48. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte
Cache memory
Address
ALU
Capacitance Reactance
49. The unit of electrical current
Ampere
Addend
DMA
Demultiplexer
50. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system
Dividend
Diode
BIOS
Center Tap
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