## What is finite state machine with example?

**Finite state machines** can be used to model problems in many fields including mathematics, artificial intelligence, games, and linguistics. A system where particular inputs cause particular changes in **state** can be represented using **finite state machines**. This **example** describes the various states of a turnstile.

## What is meant by Finite State Machine?

A **finite**-**state machine** (**FSM**) or **finite**-**state automaton** (FSA, plural: **automata**), **finite automaton**, or simply a **state machine**, is a mathematical model of computation. It is an abstract **machine** that can be in exactly one of a **finite** number of states at any given time.

## How does a finite state machine work?

A **finite state machine** is a mathematical abstraction used to design algorithms. In simpler terms, a **state machine** will read a series of inputs. When it reads an input, it will switch to a different **state**. Each **state** specifies which **state** to switch to, for a given input.

## What is the goal of finite state machine?

A **Finite State Machine**, or **FSM**, is a computation model that can be used to simulate sequential logic, or, in other words, to represent and control execution flow. **Finite State Machines** can be used to model problems in many fields, including mathematics, artificial intelligence, games or linguistics.

## Is FSM and DFA same?

In other words, every regular expression (recognizing a regular language) has an equivalent **FSM** and vice versa. When they have no output, FSMs are often called finite state automata (FSA). When they have a transition for every character in the input alphabet, they are called deterministic finite automata (**DFA**).

## Are computers finite state machines?

In theory, a **computer** is a **finite state machine** where the **state** space is the total possible configurations of memory. This would be two raised to the power of the total number of bits of storage. ... But a **computer** is modeled as a TuringMachine, even though they do have **finite** memory.

## Is the brain a finite state machine?

Yet it can be argued that all real **machines**, including the **brain**, are **finite**-**state machines**. If so, no real **machine** actually possesses the very unlimited productivity of symbol systems. ... Thus connectionist networks can be valuable models in psychology, precisely because they are **finite**-**state machines**.

## Is a computer a state machine?

A **computer** is basically a **state machine** and each **machine** instruction is input that changes one or more **states** and may cause other actions to take place. Each **computer's** data register stores a **state**. The read-only memory from which a boot program is loaded stores a **state** (the boot program itself is an initial **state**).

## Which of the following is an example of finite state systems?

There are many more **examples of finite state machines** we could use: a vending machine. a subway entrance turnstile. a heating **system**.

## Which language is accepted by finite automata?

Alternatively, a **regular language** can be defined as a language recognized by a finite automaton. The equivalence of **regular expressions** and finite automata is known as Kleene's theorem (after American mathematician Stephen Cole Kleene).

## What is the first state of FSM Mcq?

**Finite state machine** will initially set to all zeroes. Explanation: **Finite state machine** has **initial state** initialized with all 0's whereas LFSR and CA has **initial state** with any **state** other than all 0's.

## What does an arrow between the circles indicate?

Explanation: In the FSM diagram, **arrows between the circles represent** the change of one state to another state. For example: Assume there **are** four states in an FSM i.e. A, B, C and D. The **arrow between** the states A and B show the transition of state from A to B.

## Why latches are called a memory devices?

**Why latches are called memory devices**? Explanation: **Latches** can be **memory devices**, and can store one bit of data for as long as the **device** is powered. Once **device** is turned off, the **memory** gets refreshed. Explanation: A **latch** has two stable states, following the principle of Bistable Multivibrator.

## Why Antifuses are implemented in a PLD?

13. **Why antifuses are implemented in a PLD**? Explanation: Programmable Logic Devices is a collection of a large number of gates, flip-flops, registers that are interconnected on the chip. Programming is accomplished by using **antifuses** in a **PLD** and it is fabricated at the cross points of the gates.

## How many locations are addressed using 18 address bits?

How **many** memory **locations are addressed using 18 address bits**? Explanation: For n **address bits**, the memory location will consist of 2n **bits**. **Using 18 address bits**, 2**18** = 262,144 (= 256 K) words are **addressed**.

## What programmable technology is used in FPGA devices?

FPGA emerged from relatively simpler technologies such as programmable read-only memory (**PROM**) and **programmable logic devices** (PLDs) like PAL, PLA, or Complex **PLD** (**CPLD**). It consists of three main parts: Configurable Logic Blocks — which implement logic functions. Programmable Interconnects — which implement routing.

## What programmable technology is used in FPGA devices Mcq?

Explanation: The full form of VLSI is Very Large Scale Integration in which **FPGA** is implemented. Explanation: The **FPGA** refers to Field **Programmable** Gate Array. Field-**Programmable** Gate Arrays (**FPGAs**) are reprogrammable silicon chips.

## What happens when once a pal has been programmed?

**Once a PAL has been programmed**: A. it cannot be reprogrammed.

## What FPGA means?

field programmable gate array

## Which type of simulation mode is used to check the timing performance of a design?

Gate-level simulation

## What is the difference between out and buffer?

Explanation: **BUFFER** is a unidirectional mode used as an output from the entity. But, the value of **BUFFER** can be used inside the entity i.e. it can appear on both sides of assignment operator whereas the value of **OUT** can't be used inside the entity and can appear on the left side of assignment operator.

## Which gives scalable design rules?

**Which gives scalable design rules**? Explanation: Lambda **rules gives scalable design rules** and micron **rules gives** absolute dimensions.

## Which architecture is used to design VLSI?

Explanation: SoC that is system on a **chip architecture** is used to design the very high level integrated circuit.

## Is VLSI dead?

It is definitely not a **dead** end career. However the growth has slowed down compared to past and also the the number of **VLSI** jobs are very less compared to increasing number of software jobs. Also the skills demanded for a successful **VLSI** engineer is different and more than other software engineers.

## What is the latest technology in VLSI?

CMOS has become the prevailing **technology** due to its high speed and packing density coupled with low power consumption. **New technologies** have emerged to further increase circuit speed and to reduce design and **technology** constraints. Examples are combined bipolar-CMOS (BICMOS) and CMOS in silicon on insulator (SOI).

## Which CMOS gate is faster?

Which **gate is faster**? Explanation: NOR **gate is faster**. NAND is more complex than NOR and thus NOR is **faster** and efficient.

## What is the fastest logic family?

Emitter-coupled logic

## Is CMOS a transistor?

Complementary metal–oxide–semiconductor (**CMOS**), also known as complementary-symmetry metal–oxide–semiconductor (COS-MOS), is a type of metal–oxide–semiconductor field-effect **transistor** (MOSFET) fabrication process that uses complementary and symmetrical pairs of p-type and n-type MOSFETs for logic functions.

## Is TTL analog or digital?

Transistor-transistor logic (**TTL**) is a **digital** logic design in which bipolar transistor s act on direct-current pulses. Many **TTL** logic gate s are typically fabricated onto a single integrated circuit (IC). **TTL** ICs usually have four-digit numbers beginning with 74 or 54.

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