Page 110 - Code & Click - 7
P. 110
Worksheet-2
(Based on Chapters 6 – 11)
A. Select the correct option for each of the following statements.
1. A virus that changes its program code every time it replicates and infects a new file is ______.
(a) Stealth virus (b) Rootkit (c) Polymorphic virus (d) Macro virus
2. X, formerly called Twitter, was founded by ______.
(a) Jack Dorsey (b) Mark Zuckerberg (c) Tom Anderson (d) Bill Gates
3. The HTML tag used to display a horizontal line across a web page is ______.
(a) <hr> (b) <h1> (c) <line> (d) <br>
4. The type of Machine Learning AI that makes use of labeled datasets is ______.
(a) Reinforcement (b) Unsupervised (c) Supervised (d) Semi-supervised
5. An Inline CSS is specified by adding the style attribute to the ______.
(a) <html> tag (b) <body> tag (c) <title> tag (d) <html> tag
B. Fill in the blanks with the correct answer.
1. _________ is an example of online telephony service.
2. The range of values in Fuzzy Logic systems is between _________ and _________.
3. A _________ holds formatting codes that control the appearance of a web page.
4. _________ is the database of viruses and other malware that an antivirus software uses to
scan a computer.
5. A _________ is a software that retrieves HTML documents from the web, interprets HTML
statements, and displays the resulting web pages.
C. Write ‘T’ for True and ‘F’ for False statement.
1. Symbolic AI is also known as Rule-based AI. _______
2. A Hybrid app is a combination of a desktop app and a mobile app. _______
3. Hypertext is the method to move from one web page to another on the WWW. _______
4. Virus can infect files on CD-ROMs and DVD-ROMs. _______
5. Blog posts are arranged in a chronological order with the oldest entry appearing first.
_______
108
