The Red Era, the Opening University Speech

Chapter 57: Nothing about the exam

Looking at the test paper on the table, Li Mu felt uneasy.

Although he had studied Marxism-Leninism, Mao Zedong Thought, and modern history in college, Li Mu just muddled through with the mentality of "60 points is great, one more point is a waste."

"If I fail this test, my image will be completely ruined!" Li Mu grabbed his hair, helpless.

He raised his head and glanced at the students sitting around him.

Cheating doesn't seem to be an option.

Unfortunately, after glancing for a long time, he couldn't see what the answer was.

He could only see that other people's test papers were filled with writing, while his test paper was still blank.

Seeing that time was passing by little by little, Li Mu became anxious.

Especially when he looked around at this moment, he successfully attracted the attention of the invigilator.

If the other party didn't know Li Mu, he might have come up to warn him and asked him to answer the questions seriously.

"No, we can't just sit here and wait for death." Li Mu's brows were tightly furrowed into a "川" shape.

Aske has lost contact and there is no hope of cheating. Does he really have to take the exam on his own?
"No, there is another way!" Li Mu's eyes suddenly lit up and an idea emerged in his mind.

Since I will definitely fail the exam, there is no point in cheating.

Then just get a zero!
If you pretend to have a burst of inspiration, write the derivation process on the test paper and draw a picture, can you fool people into thinking that you are going to get away with it?
After finalizing the plan, Li Mu quickly searched for something useful in the existing information.

Let’s first look at the fluorescent lamp after the incandescent lamp. It involves the development of rare earth element three-primary color phosphors and is the first to be eliminated.

Let alone LED lights, which involve semiconductor material chips, and even integrated circuits haven't been developed yet.

"Wait, integrated circuit." Li Mu's eyes suddenly lit up when he thought of it.

These two days he has been studying the history of computer development and understanding the composition of computers.

Computers can be divided into four stages according to the hardware used:
Vacuum tube digital computers, transistor digital computers, integrated circuit digital computers and large-scale integrated circuit computers.

Integrated circuits can be said to be the core of future computer development.

But Xia Guo’s current research has not yet touched upon this area.

Li Mu fell into deep thought: "If China wants to develop integrated circuit digital computers, it must first solve the problem of silicon planar technology."

"Then can I give it a try and develop the silicon planar process?"

"But isn't this a bit too ostentatious?"

Li Mu had to hesitate, because silicon planar technology was not a trivial achievement.

"Dongdong~" Attention everyone, there are still 30 minutes left before the end of the exam.

Just when Li Mu was hesitating, the teacher on the stage suddenly reminded him.

"It's too late!" Li Mu was shocked. If he handed in a blank paper, he would be finished.

Picking up a pen, Li Mu quickly began to write the principle on paper.

The main feature of the planar process is actually the use of photolithography technology and the masking effect of silicon dioxide film to carry out selective diffusion and electrode evaporation.

The key difficulty lies in photolithography technology.

However, Li Mu did not need to prove the feasibility of photolithography technology first, as Emperor M had already proved that this approach was feasible.

What Li Mu needs to do is to assume conditions and then deduce the results.

"Hiss~" As Li Mu was writing, just when he was about to finish, his pen paused again.

"I almost forgot, I still have several exams to take." Li Mu was halfway through writing when he suddenly realized something was wrong.

If you write everything down like this, you will have nothing to write for the subsequent exams.

Stop writing for now.

It was not until the second exam that Li Mu continued his “derivation”:
“Using p-type impurity elements, such as boron, as diffusion impurity sources, at high temperatures…forms a p-type diffusion region.”

"Assuming that the p-type diffused base region forms a pn junction with the z-type epitaxial layer originally grown on the crystal surface..."

……

"Ring, ring, ring~" the bell rang, announcing the end of the last exam on the fourth day.

The teacher on the stage said loudly: "The test is over, students please stop writing." Li Mu put down his pen, looked at the internal structure of the planar transistor drawn on the test paper, and breathed a sigh of relief.

The three exams, principles, methods and drawings, were all written on the test paper.

And because I was worried about making low-level mistakes, I didn't dare to make any changes without permission.

He could only use an uncertain tone in some descriptions, making people feel that he was just making guesses.

"The best outcome is that no one can understand it." Li Mu said to himself.

If the teacher marking the papers didn't notice it, Li Mu wouldn't take the initiative to expose it. He would just say that he just came up with it on a whim.

This way there is a high probability that you will not be suspected.

As for the exam, considering how much Qian Shuyan values ​​him, it shouldn't be difficult for him to get a make-up exam by failing.

At worst, you can just continue to memorize it by rote.

……

After handing the test paper to the teacher, Li Mu walked out of the examination room.

I went to the school gate and found Wang Ya and others.

Wang Ya and the round-faced girl were chatting, while Zhang Chu was standing aside with a book, occasionally interjecting a few words.

Li Mu glanced at the round-faced girl and remembered how Wang Ya addressed her before the exam.

"Shao Yanan, what a unique name!" Li Mu couldn't help but sigh in his heart.

If it weren’t for Wang Ya, he probably would never have known the name of the round-faced girl, Shao Yanan.

In the distance, Shao Yanan spotted Li Mu coming over and joked, "You took so long to come out. Are the questions too difficult?"

"What you said, does Li Mu have any difficulties?" Zhang Chu interrupted with a smile.

Shao Yanan followed up with, "Of course not. If Li Mu doesn't know how to do it, then the question is not good enough."

"Okay, stop teasing Li Mu. We are here to thank him." Wang Ya spoke up in time to help Li Mu out.

Shao Yanan immediately turned his attention to Wang Ya: "Wang Ya, you have been suppressed by Li Mu for many years, don't you want to surpass him?"

Wang Ya's face turned slightly embarrassed when she heard that. What's more, she could hardly understand what Li Mu was researching.

"Then this should be the best opportunity." Li Mu smiled.

This immediately aroused everyone's curiosity and they asked quickly.

But Li Mu certainly would not say that he had scored zero in several subjects, so he kept his mouth shut, and everyone had no choice but to give up.

Afterwards, led by Wang Ya, Li Mu and others came to a mutton restaurant.

The restaurant was full of people. Steam was rising from the copper pot. The rich aroma of mutton made Li Mu's appetite whetted.

……

While Li Mu was enjoying his mutton hotpot, the school's marking team was in an uproar.

Several teaching assistants who were in charge of marking the test papers rubbed their eyes several times when they received Li Mu's test paper.

They would rather believe that there was something wrong with their eyes than believe that someone would scribble on the test paper.

What’s the difference between this and handing in a blank paper?
Since the establishment of Beijing Institute of Technology, no one has ever handed in a blank paper after taking an exam.

The teaching assistants did not dare to deal with it and could only go to Professor Wei, the head of the marking group.

Professor Wei was a little confused when he got the test paper, especially when he saw that the owner of the test paper was Li Mu, he was even more confused.

"Take all of Li Mu's test papers to Professor Wang." After Professor Wei said this, he rushed to the dean's office without stopping.

When this matter was mentioned, Professor Wang, the Dean of Studies, was also surprised.

"Li Mu is not the kind of person who doesn't know the seriousness of the matter. Is there some special situation?" Professor Wang asked with a frown.

The teaching assistants in the examination group followed Professor Wei and brought in the examination paper. Professor Wei took it and glanced at it, then said:
"That's possible. Professor Wang, look, there's actually a lot of stuff written on this test paper, but there's nothing about the test."

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(End of this chapter)