Class 3 Model Test Paper - Computer Science PDF

Enter The World Of Computers Class-3 MODEL TEST PAPER – II (Based on Chapters-5 to 8) Marks : 50 A. Multiple Choice Questions...

Enter The World Of Computers Class-3 MODEL TEST PAPER – II (Based on Chapters-5 to 8) Marks : 50 A. Multiple Choice Questions [4×1=4] 1. Bullets option is present in the........................... group. (a) Paragraph (b) Font (c) Styles 2....................... language uses only two digits– ‘0’ and ‘1’. (a) Assembly (b) Binary (c) Two-digit 3....................... is an actor who performs different actions. (a) Stage (b) Character (c) Sprite 4. Websites open in a special software called............................ (a) Application software (b) Web browser (c) Web software B. Write T for true and F for false statements. [4×1=4] 1. Press the shortcut key ctrl+A to delete the entire document. 2. Charles Babbage was the first programmer of the world. 3. Google Chrome is a popular web browser across the world. 4. There are 9 categories of blocks in Block palette. C. Fill in the blanks. [4×2=8] 1......................... is the full form of WWW. 2. A........................ is the background of the Stage. 3......................... is a set of rules that we need to follow while writing a program. 4. Shifting of the text from one place to another is called......................... D. Very Short Answer Questions [4×2=8] 1. Name the collection of related webpages that provides information. 2. Name the block that allows you to draw objects on the Stage. 3. What is the set of instructions, which we give to the computer, called? 4. Name the term used for making the changes in a document. 1 Model Test Paper Computers E. Short Answer Questions [6×4=24] 1. Define Font. What is the keyboard shortcut to make a text bold? 2. What is Scratch programming? Write its extension. 3. Differentiate between editing and formatting. 4. Define Alignment Write all the alignment possible in MS Word. 5. How does Pen block help you? 6. How many categories are there in Block Palette? F. Write steps to add 15 and 20 and print its result. (2) Computers Model Test Paper 2 Answer Key A. 1. (a) 2. (b) 3. (c) 4. (b) B. 1. (F) 2. (F) 3. (T) 4. (T) C. 1. World Wide Web 2. backdrop 3. Syntax 4. moving D. 1. Website 2. Pen 3. Program 4. Editing E. Ans-1 Font is the look and shape of the letters of the text. The keyboard shortcut to make a text bold is Ctrl+B. Ans-2 Scratch is a simple, easy to use and free programming language. It is used to create games and animations. The file extension of Scratch is.sb3. Ans-3 Editing – Making changes in a document is called editing. To perform editing, you select the text first. Formatting – means changing and arranging text in a document to make it attractive. Formatting makes the document look more presentable and readable. A document can be formatted by changing font, highlighting certain text, creating bullet/numbered list, setting text alignment, changing text case, applying border and using other formatting options present in Font group and Paragraph group in the Home tab of MS Word. Ans-4 The way in which text is placed on a page is called alignment. You can align the text as left, centered, right and justified. Ans-5 Pen block allows you to draw objects on the Stage. It is not present by default in Blocks Palette. You can add it using the Add Extension button. Ans-6 There are nine categories of blocks in the Blocks palette : Motion block, Looks block, Sound block, Events block, Control block, Sensing block, Operators block, Variables block and My blocks. F. Ans Step -1 : a=15 and b=20 Step - 2 : c = a+b Step - 3 : Print c 3 Model Test Paper Computers