son logic

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1
Small piece of semiconductor material where an entire circuit can be fabricated.
Chip
2
Circuit fabricated on a chip surface, consisting of transistors, diodes, and resistors.
Integrated Circuit (IC)
3
Circuit with individually connected components during assembly.
Discrete Circuit
4
Type of IC integration with fewer than 12 gates per chip.
Small-Scale Integration (SSI)
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IC type with 12 to 100 gates per chip.
Medium-Scale Integration (MSI)
6
IC type with more than 100 gates per chip.
Large-Scale Integration (LSI)
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Technology that fabricates bipolar transistors on a chip and is preferred for SSI and MSI.
Bipolar Technology
8
Technology that fabricates MOSFETs and dominates the LSI field.
MOS Technology
9
Group of compatible devices with same logic levels and supply voltages.
Digital Family
10
Logic family that uses diodes and transistors but is now obsolete.
DTL (Diode-Transistor Logic)
11
TTL stands for what?
Transistor-Transistor Logic
12
Logic family known as the fastest, used in high-speed applications.
ECL (Emitter-Coupled Logic)
13
MOS family type that uses p-channel MOSFETs and is the oldest.
PMOS
14
MOS family that uses n-channel MOSFETs, dominant in microprocessors.
NMOS
15
MOS family using both n- and p-channel MOSFETs in push-pull arrangement.
CMOS
16
Year the TTL 7400 series was introduced by Texas Instruments.
1964
17
Original TTL design with multiple-emitter input transistor and totem-pole output.
Standard TTL
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Output connection where one transistor is on at a time, providing low output impedance.
Totem-Pole Connection
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Power dissipation of a standard TTL gate.
10 mW
20
Propagation delay time of a standard TTL gate.
10 ns
21
TTL number for a quad 2-input NAND gate.
7400
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TTL number for a quad 2-input NOR gate.
7402
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TTL number for a hex inverter.
7404
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TTL number for a quad 2-input AND gate.
7408
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TTL number for a quad 2-input XOR gate.
7486
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TTL series for military use with wider temperature range.
5400 Series
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TTL type with 22 mW power and 6 ns propagation delay.
High-Speed TTL (74H00)
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TTL type with 1 mW power and 35 ns propagation delay.
Low-Power TTL (74L00)
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TTL type with Schottky diode per transistor and 3 ns delay.
Schottky TTL (74S00)
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TTL type considered the best balance between low power and high speed.
Low-Power Schottky TTL (74LS00)
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Maximum low-level input voltage (VIL) for TTL.
0.8 V
32
Minimum high-level input voltage (VIH) for TTL.
2 V
33
Low output voltage (VOL) for TTL.
0.4 V
34
High output voltage (VOH) for TTL.
2.4 V
35
Noise margin for TTL devices.
0.4 V
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Standard TTL fanout value.
10
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Floating input in TTL acts as what logic level?
HIGH
38
When TTL output is low, it is said to be doing what process?
Sinking
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When TTL output is high, it is said to be doing what process?
Sourcing
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Device that isolates two circuits and provides high input impedance and low output impedance.
Buffer
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TTL chip that converts decimal to BCD.
74147
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TTL chip that decodes 4-bit binary to 1-of-16 outputs.
74154
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TTL chips 7446 and 7447 are used for what kind of display?
Seven-Segment Display
44
TTL device that cleans up ragged pulses and produces rectangular outputs.
Schmitt Trigger
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Gate type that serves as the backbone of the 7400 series.
NAND Gate
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TTL gate type not available with 8-input configuration.
NOR Gate
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Logic circuit type with the equation Y = AB + CD (with inversion).
AND-OR-INVERT Gate
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TTL number for a dual 2-input 2-wide AND-OR-INVERT gate.
7451
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TTL output type requiring an external pull-up resistor.
Open-Collector Gate
50
TTL circuit type with many inputs but only one output, controlled by selection signals.
Multiplexer
51
What is the smallest unit of data in binary?
Bit
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What is a group of 8 bits called?
Byte
53
What is 4 bits called?
Nibble
54
What does logic level represent?
Voltage representing binary 0 or 1
55
What shows all possible input/output combinations of a logic circuit?
Truth Table
56
What is the base-2 number system using digits 0 and 1?
Binary
57
What is the base-8 number system using digits 0–7?
Octal
58
What is the base-10 number system using digits 0–9?
Decimal
59
What is the base-16 number system using digits 0–9 and letters A–F?
Hexadecimal
60
What code represents each decimal digit by 4 bits?
BCD (Binary Coded Decimal)
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Which code changes only one bit between successive numbers?
Gray Code
62
What standard represents text characters in binary?
ASCII
63
What is an extra bit used for error detection?
Parity Bit
64
What performs logical operations on binary inputs?
Logic Gate
65
What is the mathematical system for analyzing logic circuits?
Boolean Algebra
66
When is the output of an AND gate 1?
Only if all inputs are 1
67
When is the output of an OR gate 1?
If at least one input is 1
68
What does a NOT gate output?
The complement of the input
69
When is the output of a NAND gate 0?
Only if all inputs are 1
70
When is the output of a NOR gate 1?
If all inputs are 0
71
When is the output of an XOR gate 1?
If inputs are different
72
When is the output of an XNOR gate 1?
If inputs are the same
73
What theorem simplifies complemented logic expressions?
De Morgan’s Theorems
74
What circuit’s output depends only on current inputs?
Combinational Circuit
75
What circuit’s output depends on current and previous states?
Sequential Circuit
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What device stores one bit and is bistable?
Flip-Flop
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What memory element holds a state?
Latch
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What is a group of flip-flops used to store data?
Register
79
What sequential circuit counts pulses?
Counter
80
What moves data bits left or right per clock pulse?
Shift Register
81
What circuit performs binary addition?
Adder
82
What circuit performs binary subtraction?
Subtractor
83
What performs arithmetic and logical operations in the CPU?
ALU
84
What flag indicates overflow during addition?
Carry Flag
85
What flag is set when the result is zero?
Zero Flag
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What flag indicates if the result is positive or negative?
Sign Flag
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What flag detects arithmetic overflow?
Overflow Flag
88
What is volatile memory for temporary data storage?
RAM
89
What is non-volatile memory for permanent storage?
ROM
90
What type of RAM uses flip-flops and is fast but costly?
SRAM
91
What type of RAM uses capacitors and is cheaper but slower?
DRAM
92
What programmable ROM can be written once?
PROM
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What type of ROM is erasable using UV light?
EPROM
94
What type of ROM is electrically erasable?
EEPROM
95
What is high-speed memory between CPU and RAM?
Cache Memory
96
What is a CPU on a single chip that executes instructions?
Microprocessor
97
What is a processor with RAM, ROM, and I/O on one chip?
Microcontroller
98
What is an 8-bit microprocessor by Intel?
8085
99
What is a 16-bit microprocessor by Intel?
8086
100
What holds the address of the next instruction?
Program Counter
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What points to the top of the stack memory?
Stack Pointer
102
What stores status flags after operations?
Flag Register
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What provides timing pulses for synchronization?
Clock
104
What is a command executed by the CPU?
Instruction
105
What is the binary representation of an instruction?
Opcode
106
What is the data or address used by an instruction?
Operand
107
What defines how operands are accessed?
Addressing Mode
108
What is a low-level language using mnemonics?
Assembly Language
109
What transfers data between CPU, memory, and I/O?
Bus
110
What bus transfers actual data?
Data Bus
111
What bus specifies address locations?
Address Bus
112
What bus carries control signals?
Control Bus
113
What is an interface for external input/output devices?
I/O Port
114
What prevents bus conflict between devices?
Tri-State Buffer
115
What converts binary input into specific outputs?
Decoder
116
What converts analog signals to digital form?
ADC
117
What converts digital signals to analog form?
DAC
118
What defines the precision of conversion?
Resolution
119
What is the frequency of analog-to-digital sampling?
Sampling Rate
120
What is an external device connected to the CPU?
Peripheral
121
What transfers data directly between memory and device?
DMA
122
What overlaps instruction execution for faster performance?
Pipelining
123
What uses disk space as additional memory?
Virtual Memory
124
What stores frequently accessed data temporarily?
Cache
125
What executes tasks simultaneously using multiple CPUs?
Parallel Processing
126
What pauses the CPU to handle external or internal events?
Interrupt
127
What tests high or low logic levels?
Logic Probe
128
What displays electrical waveforms?
Oscilloscope
129
What monitors multiple digital signals?
Logic Analyzer
130
What detects and identifies faults?
Diagnostic Software
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