CodeHS is an interactive online learning platform offering computer science and programming instruction for schools and individual learners.
CodeHS is focused on spreading access to and knowledge of computer science by offering online instructional materials supported by remote tutors.
Explanation:
Downloading an image from a website on the internet.
- Right-click the image.
- Choose the command Save Picture As. The command might be different in browsers other than Internet Explorer.
- Use the Save Picture dialog box to find a location to save the picture. You can rename the picture as it's saved to your computer's storage system
- Click the Save button.
Download an image of Karel the dog from the URL
- Create a folder in your laptop
- Place your text file of images URL in the folder.
- cd to that folder.
- Use wget -i images.txt.
- You will find all your downloaded files in the folder.
How your computer finds the CodeHS server, requests information from the server, and receives it.
- When you enter an URL into the address bar of browser, browser will send the domain to a server call DNS to convert the domain into IP address.
- For example: google dot com will be convert into 113.171.253.224
- Next, the browser will send your request to that IP.
- All your sent data will be divided into packages, each package contains your IP address.
- That is the reason why server know who it will send the response.
Overflow occurs when the magnitude of a number exceeds the range allowed by the size of the bit field. The sum of two identically-signed numbers may very well exceed the range of the bit field of those two numbers, and so in this case overflow is a possibility.
Answer:
The FIND function returns the position (as a number) of one text string inside another. If there is more than one occurrence of the search string, FIND returns the position of the first occurrence. FIND does not support wildcards, and is always case-sensitive.
Explanation:
Answer: Doxing
Explanation: Doxing which is also referred as doxxing is defined as the revealing or publishing of the private records or information to the public.It is considered as the illegal practice which is base on the the internet service.The publicizing of the private data or confidential information is punishable offence.
Other options are incorrect because filtering is the elimination of the not required content, spamming is the activity of sending undesired bulk messages and hacking is the attacking of the system using false means to corrupt and steal data.Thus the correct option is doxing.
