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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. Sum of all currents entering a node is equal to the sum of all currents leaving the same node
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2. The interval of time occupied by a single bit in a sequence of bits; the period of the clock
Astable
Analog- to- digital (A/D) conversion
ALU
Bit time
3. A method of analog- to- digital conversion using a 1- bit quantization process
Astable
Bus interface unit
Delta Modulation
Ampere- hour(Ah) rating
4. The digit generated when the sum of two binary digits exceeds 1
Assembly language
Access time
Center Tap
Carry
5. A document that specifies parameter values and operating conditions for an integrated circuits or other device
Capacitance Reactance
BIOS
Data Sheet
Architecture
6. The time from the application of a valid memory address to the appearance of valid output data
Central processing unit
Associative law
Atom
Access time
7. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent
Address Bus
Control Bus
Vx=(Vs * Rx) /RT
Buffer
8. 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
Closed circuit
Architecture
bed- of- nails
9. A device used to convert an analog signal to a sequence of digital codes
Alphanumeric
Asynchronous counter
Analog- to- digital converter(ADC)
Capacity
10. The ratio of pulse width to period expressed as a percentage
Cross - assembler
Admittance
Duty cycle
Band- pass filter
11. Altera HDL; a nonstandard HDL
AHDL
Closed circuit
Atomic number
DIMM
12. Data Communications equipment
Address
Comparator
Data bus
DCE
13. One of the three regions in a bipolar junction transistor
Buffer
Antifuse
ALU
Base
14. A programming language that uses English like words and has a one- to- one correspondence to machine language
Bias
Band- pass filter
Capacitance Reactance
Assembly language
15. A circuit with a complete current path
Comparator
Vx=(Vs * Rx) /RT
Control Bus
Closed circuit
16. Dual in - line memory module
Address
BIOS
Bitstream
DIMM
17. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens
AND gate
Bleeder Current
Admittance
ASCII
18. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor
Binary coded decimal
Data bus
Address
CMOS
19. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.
Carry propagation
ALU
Counter
Bidirectional shift Register
20. A circuit that prevents loading of an input or output
Buffer
Counter
Delta Modulation
Address Bus
21. An array of AND gates consisting of a matrix of programmable interconnection
AND array
Atom
DAT
ASCII
22. A semiconductor device that conducts current in only one direction
Diode
bed- of- nails
Address
CMOS
23. 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.
Branch Current
Analog- to- digital (A/D) conversion
Boolean expression
Bandwidth
24. Data Terminal equipment
Dual in - line package
DTE
Baseline
Battery
25. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.
Bitstream
Counter
Collector
Boolean multiplication
26. A type of inductor used to block or choke off high frequencies
Architecture
Choke
Kirchoff's Current Law(KCL)
Delta Modulation
27. In addition - the number that is added to another number called the augend
Addend
Decimal
Dependency notation
ALU
28. A logic gate that produces a High output only when all of the inputs are HIGH
Boolean expression
AND gate
Aliasing
Controller
29. The process that prevents two sources from using a bus at the same time
Bus arbitration
Dual in - line package
Decade
ABEL(Advance Boolean Expression Language)
30. A program that converts English- like mnemonics into machine code
CPLD
Assembly language
Central processing unit
Assembler
31. American wire gauge; a standardization based on wire diameter
Norton's Theorem
Address
Assembler
AWG
32. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus
BEDO DRAM
Capacitance
Bus contention
Assembly language
33. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.
Boolean multiplication
Balanced Bridge
Debug
BJT
34. A method for internally testing a PLD based on the JTAG standard (IEEE std.)
Circuit
Ampere
BIOS
Boundary scan
35. Information in numeric - alphabetic - or other form.
Data
Balanced Load
Digital linear tape
Access time
36. 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
Bus
Ampere- hour(Ah) rating
Center Tap
Diode
37. 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.
Control Bus
Charge
Controller
Ampere- hour(Ah) rating
38. Digital Signal Processor; a special type of microprocessor that processes data in real time
DSP
Code
Comparator
Architecture
39. An expression of variables and operators used to express the operation of a logic circuit
Decoder
AND
Boolean expression
Bistable
40. 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
Data
Norton's Theorem
Compiler
Autotransformer
41. The total number of data units(bits - nibbles - bytes - words) that a memory can store.
Cascade
Baseline
Capacity
Bus arbitration
42. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.
Carry generation
Cache memory
DMA
Architecture
43. A condition where all the load currents are equal and the neutral current is zero
Balanced Load
Collector
DRAM
Bus interface unit
44. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative
Charge
Carry
Circular Mil (CM)
Augend
45. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points
Capacitance Reactance
Antifuse
bed- of- nails
Byte
46. The process or sequence of operations carried out to program a target device
AND
CMOS Complementary Metal Oxide Semiconductor
Design flow
Cache memory
47. American Standard Code for Information Interchange; the most widely used alphanumeric code.
Bit time
ASCII
Adjacency
Acceptor
48. The maximum value of a voltage or current
D Flip-Flop
Closed circuit
Atomic number
Amplitude
49. To decrease the binary state of a counter by one
Central processing unit
Branch Current
Decrement
Binary coded decimal
50. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.
DCE
AHDL
Amplitude
D Flip-Flop