2018年全国计算机等级考试体系调整须知-上海育曦教育

    在新的历史时期，全国计算机等级考试将在保持自身特色，稳定发展的基础上进一步推进考试改革，从2018年3月起，教育部考试中心将实施2018年考试大纲，并按新体系开考各个考试级别。具体调整内容如下：

一、 考试级别及科目

1. 一级

    新增“网络安全素质教育”科目（代码：17），考试时长90分 钟，2018 年9月首次开考。

2. 二级

    取消“Visual FoxPro 数据库程序设计”科目（代码：27），2017 年12月是其最后一次组考。新增“Python 语言程序设计”科目（代码：66），考试时长：120 分钟，软件要求：Python 3.5.2 版本及以 上 IDLE，2018 年 9 月首次开考。

3. 三级

    2018年3月起暂停“软件测试技术”科目（代码：37）。

自2018年3月考试起改变三级获证条件要求，考生只需通过三级考试即可获得该三级科目的合格证书，不再要求二级证书。

4. 四级

    暂停“软件测试工程师”科目（代码：43）。专业基础课程暂停软件工程（课程代码：405）。四级数据库工程师科目考试课程由“404、405”调整为“401、404”。

    四级获证条件不变：通过四级科目的考试，并已经（或同时）获 得三级相关证书。

二、考试软件

    二级 C、C++两个科目应用软件由 Visual C++6.0 改为 Visual C++ 2010 学习版（即 Visual C++ 2010 Express）。

三、教材及宣传

    新科目教材预计 2018 年3月出版，其他科目教材预计 2017年11 月上市。新科目、新教材的宣传资料，将在 NCRE 网站（www.ncre.cn） 公布。

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<p>ALGORITHMIC CRYPTO TRADING: EVERYTHING YOU WANT TO KNOW (BUT WERE AFRAID TO ASK)</p>
<p>Alright, So &quot;algo trading&quot; has been on your radar lately and you're asking yourself whether it's legit or just another buzzword? Let me break it all down for you in plain language.</p>
<p>At its core, algorithmic (or &quot;algo&quot;) crypto trading means letting a computer program do your trading for you. You program the logic — entry points, exit points, risk levels — and the bot fires trades automatically, day and night, without ever needing a nap.</p>
<p>There are a few flavors to know about:</p>
<p>• Spot bots — deal in real coins (think BTC, ETH) on major exchanges like Binance or Bybit. cryptocurrency trading robot

• Futures bots — trade derivatives with leverage; great for going both long AND short.
• Grid bots — set up a ladder of buy and sell orders across a price range, squeezing profit out of market swings.
• Arbitrage bots — exploit price differences across platforms and pocket the gap.</p>
<p>Real talk — humans are wired to panic and chase. Bots aren't. These are the real benefits:</p>
<p>1. No panic selling, no FOMO buying — pure cold logic.
2. Backtesting — run your strategy on historical data BEFORE you risk a single dollar.
3. Ready-made playbooks — proven strategy templates already exist, so you don't have to start from scratch.  crypto trading bot ranking

4. 24/7 monitoring — while you're asleep, at work, or on vacation, your bot is still trading.
5. Automated risk controls — stop-losses, take-profits, and position sizing happen without you lifting a finger.</p>
<p>В«This sounds great, but how do I get going?В»</p>
<p>Start by choosing an exchange that offers API connectivity — Binance, Bybit, and Kraken are all reliable options. Next, pick a bot platform. Cloud-based services like 3Commas, Cryptohopper, or Coinrule are easy to get into; if you can code, Freqtrade gives you maximum flexibility. Always kick things off with a paper trading or demo account — zero real money at risk while you get comfortable. For futures traders specifically: confirm your bot manages margin and handles liquidation risk — that's non-negotiable.</p>
<p>В«Which strategy templates should I actually try?В»</p>
<p>Great question — here's the short version:</p>
<p> BEST MARKET         
------------------------
Grid Trading           
MACD Crossover         
Stacks more coins automatically when price drops
Mean reversion      
Exploits price discrepancies across multiple exchanges</p>
<p>В«Can I use leverage with a futures bot?В»</p>
<p>Yes — exchanges like Bybit and Binance Futures offer up to 100x leverage. But let's be real: leverage is a double-edged sword. What goes up fast can come down just as fast. Protect yourself by setting a hard drawdown cap, enabling trailing stop-losses, and risking no more than 1-2% per trade. Bonus points if your bot auto-adjusts leverage according to market volatility — that's a genuinely useful feature.</p>
<p>В«How do spot bots and futures bots compare?В»</p>
<p>• Spot bots: real ownership of assets. Gains come from price movement or spread capture. Clean and simple — no funding rates, no forced liquidations.
• Futures bots: you trade contracts. You can profit when price FALLS (by shorting). But you pay funding fees and face liquidation if the market moves hard against you.</p>
<p>Choose what fits your risk tolerance and what you're trying to achieve.</p>
<p>В«Are these strategies actually profitable in 2025?В»</p>
<p>Real answer: it depends. No single strategy wins all the time, and anyone who tells you otherwise is selling something. The process that works: backtest thoroughly, deploy with minimal capital, and only scale up the strategies that prove themselves. For example: a grid bot crushes it in sideways markets but bleeds in strong trends. On the flip side, a MACD trend-follower needs real momentum to perform — in quiet, indecisive markets it whipsaws constantly. The smart move? Run multiple bots with different strategies so they balance each other out.</p> best automated crypto trading platform

<p>Key factors to evaluate before committing to a platform:</p>
<p>• Exchange support — will it actually work with your preferred exchange?
• Strategy flexibility — can you customize, or are you stuck with presets?
• API security — always use read-only or trade-only API keys. Withdrawal permissions are a hard no.
• Backtesting engine — make sure it uses real historical data and factors in actual trading fees.
• Community — active forums and a strategy marketplace are huge for beginners.</p>
<p>Popular platforms worth checking out:</p>
<p>• 3Commas — one of the most accessible platforms out there, covering both spot and futures with strong tools.
• Cryptohopper — cloud-hosted, comes with a strategy marketplace, and lets you test risk-free with paper trading.
• Freqtrade — the go-to for developers. Free, open-source, built in Python, and configurable to do almost anything.
• Coinrule — visual rule builder, no programming needed, perfect if you're just getting your feet wet.</p>
<p>[ HOW TO KNOW IF YOUR BOT IS ACTUALLY WORKING ]</p>
<p>Track these numbers. They'll tell you the truth:</p>
<p>Metric                  
----------------------
50–70% (strategy-dependent)
Gross profit Г· Gross loss            
Biggest drop from a high to a low   
How much return you get per unit of risk
Avg Trade Duration      </p>
<p>=== CLASSIC MISTAKES TO AVOID ===</p>
<p>Learn from others so you don't have to learn the hard way:</p>
<p>1. Curve-fitting — optimizing a strategy until it looks flawless on historical data is a trap. Live markets will humble it fast.
2. Ignoring fees — high-frequency bots can quietly eat your profits through maker/taker fees. Always factor them in.
3. Skipping risk controls — not having stop-losses and position limits isn't bold, it's reckless. Set them without exception.
4. Abusing leverage — stacking 50x or 100x on a futures bot is a fast track to liquidation on a single bad candle. bitcoin trading bot tutorial

5. Ignoring market regime — a bull market strategy can destroy you in a bear market. Know your context.</p>
<p>If you're committed to your crypto game and done with manually babysitting price charts, algo trading is genuinely worth your time. Bots remove the emotional noise, keep working while you sleep, and let you deploy battle-tested strategies without being glued to a screen.</p>
<p>For spot traders, grid and DCA bots are a steady, low-stress way to accumulate. Futures traders get access to leveraged plays via MACD and RSI bots — powerful tools as long as you keep the risk management tight.</p>
<p>Core principles to live by: begin small, validate everything through backtesting, and grow your position only when live results back it up. Algo trading is a practice, not a magic button. Your edge grows as you learn.</p> crypto trading bot case study

<p>The future of trading is automated. Might as well get in on it.</p>
<p>Disclaimer: Trading cryptocurrency involves significant financial risk. Historical results do not predict future performance. Do your own research before committing real funds to any bot or strategy.</p>

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