EMTECH Lesson 1

What is the main function of a computer?

• Store and print data

• Store, retrieve, and process data

• Store and paint images

• Retrieve and delete memory

Answer explanation

A computer is defined as an electronic device that can store, retrieve, and process data. This is its fundamental purpose in ICT.

Which of the following is NOT an example of a type of computer?

• Washing Machine

• Smartphone

• Tablet

• Netbook

Answer explanation

Washing machines are appliances, not computing devices. Tablets, smartphones, and netbooks are types of computers.

Which of the following best describes 'Hardware'?

• Applications that run on a device

• Instructions and codes used in computing

• Data storage units only

• Physical components of a computer system

Answer explanation

Hardware includes all the tangible, physical parts of a computer like the CPU, monitor, and keyboard.

What is 'Software'?

• Mechanical parts of the computer

• Types of computers

• Non-physical tools such as programs and operating systems

• Internet websites

Answer explanation

Software refers to the programs and applications that run on a device, such as Microsoft Word, Java, and Gmail.

What is an example of Assistive Media?

• Audio databases for the visually impaired

• Educational cartoons

• News blogs

• Video games

Answer explanation

Assistive media includes tools like audio databases that support people with disabilities, particularly in reading or vision.

What defines Mobile Technologies?

• Old desktop systems

• Devices used in offices only

• Computers that require direct power sources

• Technology that moves with the user

Answer explanation

Mobile technologies include smartphones, tablets, and laptops that can be used on-the-go.

Which site is an example of a Blog or Forum?

• YouTube

• Snapchat

• Instagram

• Tumblr

Answer explanation

Tumblr is a platform that allows users to post content in a blog-style format. It’s classified as a blog/forum.

What is the focus of Microblogging?

• Photo sharing only

• Academic writing

• Short updates from users

• Long-form articles

Answer explanation

Microblogging platforms like Twitter are meant for short, quick posts and updates.

MICRO meaning maliit, maiksi

What is an example of a Media Sharing platform?

• Reddit

• Flickr

• Twitter

• WordPress

Answer explanation

Media sharing platforms such as Flickr and YouTube allow users to upload and share visual/audio content.

What is the purpose of Bookmarking Sites?

• Share long posts

• Design websites

• Stream videos

• Save and organize web links

Answer explanation

Bookmarking sites help users store and categorize useful web links (e.g., Diigo, Reddit).