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3 years ago

List the seven basic internal components found in a computer tower

2 answers:

6 0

1. Motherboard (you plug all other components to it)
2. Processor (CPU)
3. Memory (RAM)
4. Graphics card
5. Sound card (sometimes integrated with motherboard)
6. Hard Disk Drive (HDD)
7. Power supply unit

Naddik [55]3 years ago

6 0

1)Processor(CPU)-It is or it acts as a "brain" of the computer.It controls the working of all of the hardware and software.It is a logic circuitry that responds to and processes the basic instructions that drive a computer.Its four primary functions are fetch,decode,execute and write-back.
The main components of computer processor are:
i)control unit-which fetches,decodes,executes instructions.
ii)Arithmetic& logic unit(ALU)-which performs arithmetic and logical operations on data.
iii)Registers- which holds instructions and other data..they supply operands to the ALU and store the results of operations.
iii)system clock-the clock is a quartz controlled oscillator supplying timing signals at a fixed rate The signals are used to regulate the execution of instructions and to synchronize the operation of the computer components.
2)Motherboard-it is a computer hardware that holds together many of the crucial components of a computer including the CPU,memory and connectors for input and output devices.
so it serves as the central circuit hub that connects all peripherals.it also regulates the power recieved by the hard drive,graphic cards,CPU and system memory from the power supply.
3)Random access memory(RAM)-It s a form of computer data storage that stores data and machine code currently being used.it is a volatile memory.
4)Hard drive-This is a none-volatile memory hardware device that permanently stores and retrieves data on a computer.
5)Power supply unit-This is the component that converts mains i.e AC to low-voltage regulated DC power from the wall into the right kid of power for the individual parts of the computer.
6)Video card-This is an expansion card which generates a feed of output images to a display frequently.
7)Network card-This is an electronic device that connects a computer to a computer network usually a LAN(local area network)

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Write a c++ program to calculate the approximate value of pi using this series. The program takes an input n that determines the

Tanya [424]

Answer:

#include <iostream>

#include <iomanip>

using namespace std;

int main() {

char choice;

cout << setprecision(12) << endl;

while(true) {

int sign = 1;

double pi = 0;

cout << "Enter number of terms: ";

long n;

cin >> n;

for(long i = 1; i < n; i += 2) {

pi += sign/(double)i;

sign = -sign;

}

pi *= 4;

cout << "value of pi for n = " << n << " is " << pi << endl;

cout << "Do you want to try again(y or n)? ";

cin >> choice;

if(choice == 'n' || choice == 'N') {

break;

}

return 0;

}

Explanation:

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3 years ago

Your company just installed a new web server within your DMZ. You have been asked to open up the port for secure web browsing on

alexdok [17]

Answer:

The port that should be set open to allow users to access this new server is:

TCP port.

Explanation:

Ports are openings or entrance doors through which data packages have access to a PC or server. TCP and UDP are transport protocols with port numbers. TCP means Transmission Control Protocol. They are used to connect two devices over the internet and other networks. UDP means User Datagram Protocol. They are used to connect applications and to speed the transfer of data. Comparatively, UDP is faster, simpler, and more efficient than TCP. TCP enables retransmission of lost data packets, which UDP cannot do.

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3 years ago

Do transformers have life insurance or car insurance? If you chose life insurance, are they even alive?

ladessa [460]

Answer:

Car insurance

Explanation:

they are machines with ai

4 0

3 years ago

Write the contrapositive of each of the following statements. Healthy plant growth follows from sufficient water. Increased avai

rusak2 [61]

Answer:

Healthy plant growth follows from sufficient water.

Contrapositive: If water is insufficient, then there isn't healthy plant growth

Increased availability of information is a necessary condition for further technological advances

Contrapositive: Absence of further technological advances implies decreased availability of information.

Errors were introduced only if there was a modification of the program.

Contrapositive: If there wasn't any modification of the program then error was not introduced into the program

Fuel savings implies good insulation or storm windows throughout.

Contrapositive: The absence of good insulation or storm windows throughout implies that there is no fuel savings.

Explanation:

A contrapositive statement is formed from a conditional statement as we can see from the answers above.

In a contrapositive statement, we just interchange the hypothesis and the conclusion of the inverse statement.

This implies that, when the converse of the statement is true, then the inverse of the statement is also logically true.

5 0

3 years ago

Enzo formed a study group for an upcoming geography test. To start off each session, they go over past notes and look at maps. T

lesya692 [45]

Answer:

My suggestions are given below:

Method 1: Can create series of questions from book-inside and take an open-book test. Open-book test method is one of the best way to learn

Method 2: Written test is always necessary to really understand how much they remember the concept

Method 3: Participate in online quiz related to the learning outcome given in the question

Method 4: Answer questions from the reference books

Method 5: Go to library or review online books for further study.

8 0

4 years ago