IS A DISADVANTAGE OF SOLAR ENERGY IS ONLY IN TECHNICALLY ACTIVE AREAS

A switch to kernel mode, wherein the operating system performs some action before returning control to the originating process?

ELEN [110]

A switch to kernel mode, wherein the operating system performs some action before returning control to the originating process is known to be called trap.

<h3>What is TRAP in computing?</h3>

A trap is known to be a kind of a synchronous interrupt triggered that is said to be done by an exception in that of a user process to carry out functionality.

Note that the Exception conditions such as invalid memory access, division by zero, is said to be one that can alter or trigger a trap in an OS. A trap alters the mode of an OS to that of a kernel routine.

Hence, A switch to kernel mode, wherein the operating system performs some action before returning control to the originating process is known to be called trap.

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3 0

2 years ago

Describe 6 difference of the types of computer<br>

Trava [24]

Answer:

<h3>1. Supercomputer</h3>

One of types of computers is supercomputer. It is a computer that is at the front-line of current processing capacity, particularly speed of calculation. It is usually used to do tasks involving intense numerical calculations such as weather forecasting, fluid dynamics, nuclear simulations, theoretical astrophysics, and complex scientific computations

<h3>2. Mainframe Computer</h3>

Another computer type is mainframe computer. It is a computer that is capable of handling and processing very large amounts of data quickly. Its calculation speed can reach millions to tens of millions instructions per second (MIPS) and it can respond to hundreds of millions of users at a time.

This computer type is mainly used in large institutions such as government, banks and large corporations.

<h3>3. Minicomputer (Mid-Range Computer)</h3>

Minicomputers are a class of multi-user computers that lie in the middle range of the computing spectrum, in between the smallest mainframe computers and the largest single-user systems (microcomputers or personal computers).

Minicomputers are usually small in scale, simple in structure, easy to maintain, and low in cost. Therefore, they are often used in universities, scientific research institutions and industrial control fields.

<h3>4. Microcomputer (Personal Computer)</h3>

The term “microcomputer” was introduced with the advent of systems based on single chip microprocessors. In the early days, the microcomputers would still have been too expensive to be owned by a single individual. But in the late 20th century, microcomputers became the most common type of computer.

Therefore, the term "microcomputer" has practically become an anachronism and has been replaced the term "personal computer (PC)".

Personal computer has developed rapidly because of its small size, convenient use, low production cost, and low price. PC computing speed can reach hundreds of thousands to millions instructions per second, which can meet the requirements of data processing and scientific computing in production, scientific research, and life.

<h3>5. Workstation Computer</h3>

A workstation computer is a high-end personal computer between microcomputers and minicomputers. It is usually equipped with large-capacity memory, external storage, and large-screen displays. Therefore, it has strong data processing capabilities and graphics processing capabilities.

Workstation computers are designed and developed mainly for professional application fields like engineering design, animation production, scientific research, software development, financial management, information services, analog simulation, etc.

<h3>6. Server Computer</h3>

A server refers to a high-performance computer that provides shared information resources and various services for many users on the network at the same time in a network environment.

A server is expected to be capable of high-speed computing, long-term reliable operation (it features error-correction of RAM; redundant cooling; self-monitoring, RAID), and powerful external data throughput.

The structure of the server is similar to that of an ordinary computer. Many smaller servers are actually personal computers that have been dedicated to provide services for other computers. But they are very different in terms of processing power, stability, reliability, security, scalability, and manageability.

According to the services provided, server computers can be subdivided into database server, file server, Web server, FTP server, etc.

<h2>hope helpful <3</h2>

4 0

3 years ago

Please answer........

Vitek1552 [10]

Using the try-except statement, the fix is as follows:

while True:

try:

boxes = int(input("How many boxes do you have?"))

sweaters = int(input("How many sweaters do you have?"))

break

except:

print("Input invalid")

sweatersPerBox = sweaters/boxes

print("You need to put",sweatersPerBox,"sweaters in each box")

<h3>How to prevent the program from crashing?</h3>

The program is given as:

boxes = int(input("How many boxes do you have?"))

sweaters = int(input("How many sweaters do you have?"))

sweatersPerBox = sweaters/boxes

print("You need to put",sweatersPerBox,"sweaters in each box")

The above program would crash when the user enters string inputs.

Examples of string inputs are "7h", "bh"...

One way to fix the error is the use of the try-except statement.

Using the try-except statement, the fix is as follows:

while True:

try:

boxes = int(input("How many boxes do you have?"))

sweaters = int(input("How many sweaters do you have?"))

break

except:

print("Input invalid")

sweatersPerBox = sweaters/boxes

print("You need to put",sweatersPerBox,"sweaters in each box")

The above program would continue running until the user enters a valid input

Another way is to end the program when the user enters string inputs