Basic ICT Skills Unit-3 CBSE IT(402) Class-9
A. Multiple choice questions.
Q1. What machine do children watch their cartoons on?
(a) TV
(b) Washing Machine
(c) Car
Ans. (a) TV
Q2. What does F in FMCG stand for?
(a) Free
(b) Fewer
(c) Fast
Ans. (c) Fast
Q3. Which of the following companies is known to NOT provide email service?
(a) Microsoft
(b) Google
(c) Amazon
Ans. (c) Amazon
B. Answer the following questions.
Q1. Describe the TV as an ICT tool.
Ans. TV or modern televisions are also a type of ICT tool because we get a wide amount of information about mass communication through the various news channels on the TV. TV is now also the most popular as well as a cheap medium of mass communication.
Q2. Describe the mobile phone as an ICT tool.
Ans. A mobile phone is an ICT tool because as the meaning of ICT, the mobile phone is a technology used for information and communication. People use this to make and receive voice calls and text messages. Today, the popular mobile phone is called a smartphone which has more distinguished features like email, internet access, e-commerce applications, video games, and digital photography/videography.
A. Multiple choice questions.
Q1. Mouse and keyboard are categorized as:
(a) Input devices
(b) Storage devices
(c) Output devices
Ans. (a) Input devices
Q2. The programs and processes within a computer are part of:
(a) Hardware
(b) Software
(c) Input devices
Ans. (b) Software
Q3. Mouse, keyboard, and joystick are examples of:
(a) Input devices
(b) Storage devices
(c) Output devices
Ans. (a) Input devices
B. Answer the following questions.
Q1. Why is primary memory called so?
Ans. It's called primary because your computer processor uses it as the base to store anything that's going in process, thus whatever is being processed at the moment, is stored there because it is fast so as to match the speed of the processor.
Q2. Is there electronic memory that is secondary in type?
Ans. Secondary memory is computer memory that is non-volatile and persistent in nature and is not directly accessed by a computer or processor. It allows a user to store data that may be instantly and easily retrieved, transported, and used by applications and services. Secondary memory is also known as secondary storage.
A. Multiple choice questions.
Q1. Using what device do cricket commentators draw figures on the TV screens?
(a) Light pen
(b) Scanner
(c) Printer
Ans. (a) Light pen
Q2. Using what does the plotter draw?
(a) Daisy wheel
(b) Pen
(c) Pencil
Ans. (b) Pen
Q3. Which device is used to change a physical object into its digital version?
(a) Light pen
(b) Scanner
(c) Printer
Ans. (b) Scanner
B. Answer the following questions.
Q1. Name any four types of printers.
Ans. The laser printer, Dot matrix printer, Thermal printer, and inkjet printer.
Q2. Describe a plotter.
Ans. A plotter is a printer that interprets commands for a computer to make a line drawing on paper with one or more automated pens. The plotter can draw continuous point to point lines directly from vector graphic files or commands. The plotter is much more expensive than the printer.
A. Multiple choice questions.
Q1. Process creation and process termination in the computer system is done by:
(a) MS-Word
(b) OS
(c) Notepad
Ans. (b) OS
Q2. Android is an OS used for:
(a) Mobile phones
(b) Supercomputers
(c) Desktop computers
Ans. (a) Mobile phones
Q3. You can never store two files of the same name in the same:
(a) Shortcut
(b) Computer
(c) Folder
Ans. (c) Folder
B. Answer the following questions.
Q1. Give the steps by which you switch ON a computer.
Ans. Follow these step-by-step instructions to help you turn on your computer.
Step 1: Find the ‘ON’ button.
Step 2: Push the button.
Step 3: Now you need to log in.
Q2. What is the use of folders in the computer system?
Ans. A folder is a virtual location for applications, documents, data, or other sub-folders. Folders help in storing and organizing files and data on the computer. The term is most commonly used with graphical user interface operating systems.
A. Multiple choice questions.
Q1. What does WWW stand for?
(a) World War Weapons
(b) World Wide Web
(c) Whole World War
Ans. (b) World Wide Web
Q2. What is the place where you type in the web page address on the browser?
(a) Address car
(b) Address bar
(c) Address tar
Ans. (b) Address bar
Q3. How many characters were tweets restricted to early on?
(a) 120
(b) 140
(c) 170
Ans. (b) 140
B. Answer the following questions.
Q1. What are some companies that allow email accounts to be had online?
Ans. Some companies providing email accounts for users are Microsoft, Google, Hotmail, and Yahoo.
Q2. What is the difference between Cc and Bcc in emails that are sent?
Ans. If you add email IDs within Cc, every normal and Cc recipient can know each other's IDs. If you add email IDs within Bcc, the IDs within the Bec will be held.
EXERCISES
A. Multiple choice questions.
Q1. The speed and accuracy of computer have made it possible for computers to be used at:
(a) Homes
(b) Offices
(c) Both
Ans. (c) Both
Q2. A lot of the load of the postal system in India is being borne now by the:
(a) Dogs
(b) Parrots
(c) Email system
Ans. (c) Email system
Q3. What was mobile primarily used for?
(a) Watching Youtube videos
(b) connecting to Internet
(c) make and receive calls
Ans. (c) make and receive calls
Q4. Google Hangouts and WhatsApp are:
(a) Messaging services
(b) Video services
(c) Email services
Ans. (a) Messaging services
Q5. RAM is a part of:
(a) Primary memory
(b) Secondary memory
(c) Human memory
Ans. (a) Primary memory
Q6. What is the name given to the parts of a computer that can be touched and felt?
(a) Software
(b) Hardware
(c) Middleware
Ans. (b) Hardware
Q7. Are output devices part of hardware or software?
(a) Hardware
(b) Software
(c) Both
Ans. (a) Hardware
Q8. What kind of entity is an operating system?
(a) Hardware
(b) Software
(c) Both
Ans. (b) Software
Q9. What device allows you to collect the hard copy form?
(a) Printer
(b) Scanner
(c) Joystick
Ans. (a) Printer
Q10. Using which device is it possible to draw figures on the screen?
(a) Light pen
(b) Microphone
(c) Plotters
Ans. (a) Light pen
B. Short Answer Questions.
Q1. Give any four reasons for using ICT in daily life.
Ans. Following is a list of things in which ICT finds use in daily life.
- Taking appointment with a doctor on practo.com
- Paying utility bills at home.
- Gaining knowledge from websites like Wikipedia.com, Slashdot.org, or news websites.
- Work from home.
- Taking online classes through tutorvista.com, Itoltutor.com, etc.
- Paying your credit card bills online.
- Book train and flight tickets online.
- Book tickets to a concert by artists.
Q2. Describe what kind of machine a tab is.
Ans. A tab is a short form for a computer tablet. It is almost always bigger than a mobile phone It typically has all features of a computer. It has many applications. It would be stifling to not have communications services like Google Hangouts or Whatsapp on a tablet.
Q3. What is the difference between hardware and software, in terms of physical existence?
Ans. Hardware: All the tangible parts of the computer system, no matter how small or big, are parts of the hardware. Thus, the mouse, monitor, system cabinet, its subsystems like motherboard, network card, sound card, and keyboard are all hardware.
Software: Software is a more complex entity to describe though. This does not have a physical existence like the hardware devices do. These are the programs and processes in existence in the system of the computer.
Q4. Describe what a printer is.
Ans. This is also a very important output device If you want the hard copy of a certain document, you look to the printer to provide you with that. There are all kinds of printers. There are dot matrix printers, thermal printers, daisy wheel printers, laser printers, and inkjet printers.
Q5. What kind of OS is a multiprocessing OS?
Ans. Multiprocessing occurs when a computer system with two or more processors can run more than one program, or thread, at a given time by assigning them to different processors.
Q6. In MS - Word, with what key do you end the line?
Ans. In Ms-Word we end the line using the Enter key.
C. Short Answer Questions.
Q1. What is the browser used on the computer for?
Ans. Internet browser or Internet Application software or browser is an important software for connection to the Internet.
Q2. Give any three common properties of the browsers.
Ans. These are the common properties of the browsers.
- History feature to access what web pages have been visited in the past.
- Bookmark pages to access some specific pages later easily.
- Stop, Refresh buttons to stop loading and revisit a web page.
- Settings feature to tweak around with various properties of browser.
- Check the code of the web page in HTML. (This is achieved by right-clicking on the web page and choosing the correct option.)
Q3. What is Twitter used for?
Ans. Twitter is an online news and social networking service on which users post and interact with messages known as " tweets ". Tweets were originally restricted to 140 characters, but on Nov 7, 2017, this limit was doubled for all languages except Japanese, Korean and Chinese.
Q4. Which company had acquired WhatsApp and for how much?
Ans. The app was created by WhatsApp Inc., based in Mountain View, California, which was acquired by Facebook in February 2014 for approximately US $ 19.3 billion.
Q5. What are some signs that show that the Internet is gaining a foothold in India too?
Ans. Some signs that show that the Internet is gaining a foothold in India too are:
- Online payment of bills.
- Holding Office meetings through Video conferencing.
- Students can attend online tutorials.
- Buying and Selling products online.
D. Long Answer Questions.
Q1. Describe the features of Facebook. What is its purpose?
Ans.
Q2. Describe email services.
Ans.
Q3. What is YouTube all about?
Ans.
Q4. Describe the subsystems of the computer.
Ans.