.jpg?x-oss-process=image/resize,p_100/format,webp)
In the modern economy and society, computer technology has become a necessity to fulfill the daily management work, study and entertainment of people's lives. However, even for users who have been using computers for many years, there are still many tips and tricks that can effectively improve the efficiency and ease of use of student computers. In this article, we will summarize some practical computer knowledge, so that your computer network to use a more efficient and comfortable.
First, shortcuts
Shortcuts are one of the most simple and effective way to improve the efficiency of computer use. The use of shortcuts can avoid frequent use of the mouse, faster execution of operations, and reduce hand movement and hand fatigue. The following are some commonly used shortcuts.
Copy: Ctrl + C
Paste: Ctrl + V
Cut: Ctrl + X
Undo: Ctrl + Z
Save: Ctrl + S
Open file: Ctrl + O
Create a new file: CtrlN
Close File: Ctrl + W
Select All: Ctrl + A
Switch Windows: Alt tab
Lock Screen: Win + L
Close Enterprise Current Time Window: Alt + F4
Open Task Manager: Ctrl Shift Esc
Second, the use of search engines
The Internet is an important part of the computer, but the amount of information is huge, often requiring us to spend a lot of time to find the information we need. By using search engines, we can quickly find the information we need.convert word to pdf online free without losing formatting Google and Baidu are currently the most popular search engines. Here are some suggestions.
1. Use the right keywords
Keywords are the main way for search engines to get information. If we use the wrong keywords, it is difficult to get the information we want. Therefore, we need to know some basic knowledge of keywords to make better use of search engines.
First of all, keywords should be accurate and unique. This means that we should use words that are as descriptive, clear and specific as possible, and avoid using words that are too general or vague. For example, if we want to find information about "dogs", we should use more specific and clear keywords such as "pet dogs" and "dog breeds".
Second, our state should be able to try to avoid companies using their own irrelevant or redundant keywords. These keywords may waste our time by decreasing the accuracy of the search analysis results and wasting questions.merge 2 jpg files into 1 pdf Therefore, we teachers should try to use concise and clear keywords to avoid redundancy.
Finally, we can use advanced search options provided by search engines to further refine our search results. For example, we can select specific languages, time frames, types of websites, and other criteria to get more accurate and relevant search results.
2. Use Quotation Marks for Phrase Searching
If we need to search for a specific phrase, we can use quotation marks to cause the phrase. Instead of breaking it down into words, the search engine will search the entire phrase as a whole. For example, if we need to search for information about "movie heaven", we can put "movie heaven" in quotation marks so that the search engine will search as a whole.
3. Use exclusion symbols to exclude unwanted content
Sometimes, we students may encounter some enterprises unnecessary content or disturbing information, which will reduce the efficiency of the search work. To solve this social problem in China ourselves, we teachers can exclude unwanted content by using the exclusion symbol (minus sign "-").pdf editor free For example, if no one in our country needs a search for information related to "yoga" but does not want to be able to see the content of "yoga for weight loss", we can not only add "-weight loss" after the search term to exclude this part of the content. " to exclude this part of the content.
Four. Use an asterisk instead of any character: An asterisk can be used to replace any character, thus expanding the scope of search results. For example, a search for " Computer *" will return all results prefixed with computer, such as computer knowledge or computer games.
Install antivirus software
It is essential to install a reliable antivirus program on your computer to help protect it. Commonly used antivirus programs are Kaspersky,
Use a password manager For people who have a lot of passwords, using a password manager can be a great way to keep your account secure.Password managers can help users generate strong passwords and store them in an encrypted database, only the master password needs to be memorized.Commonly used password managers include 1Password, LastPass, and others.Clean up your computer regularlyRegularly cleaning up your computer can free up disk space, improve computer performance and reduce the possibility of your computer being attacked by viruses and malware.You can use CCleaner and other tools to clean up unnecessary files, cache and browser history.
Above we introduced the computer to carry out the knowledge is very practical, can help you better protect the student's own computer network security by helping you to improve the efficiency of enterprise computer system use management. In the use of mobile computers, we must pay attention to information security, do not easily click on suspicious links or download unknown software, regular backup of important files and data, so as not to suffer the risk of loss of economic data analysis. At the same time, it is also necessary to pay more attention to the state of the computer's hardware equipment, keep the computer clean and normal heat dissipation, in order to avoid the problem of hardware failure and computer slowdown.