I. Identify what is being described. Unscramble the letters. 

It was the first mechanical and automatic calculator.

A machine that can be  used to process data.

One of the earliest known counting devices.

It was developed by a French weaver and merchant in 1801, it is controlled by punched cards. 

It was invented by a Scottish Mathematician, it used marked strips of wood or ivory. 

Also known as Leibniz's Calculator. 

An Ancient tool used for counting large numbers. 

It is used in calculating complicated problems  by following  a set of instructions. 

It used punched cards to record and sort data or information.

It is used in calculating and printing of simple math tables.

The most common kind of computers, single-user computers that are portable and low-priced.

A phone that has computer functions, such as word processing and internet browsing. 

They can process very large amounts of data quickly, they support hundreds or even thousands of users simultaneously.

This is a computer that fits on top of the table.

This is a touchscreen computer that looks like a detached laptop screen. 

This computer is small enough that it can sit on one's lap. 

These computers are extremely fast. They can perform hundreds of trillions of instructions and calculations per second. 

This computer is small enough that it could be carried by hand, and it could fit inside a pocket.

These are also known as "minicomputers" or "minis", designed for multiple users. 

These are specialized programs.

These are programs that allow communication between the computer and a device attached to it.

It manages all the other programs in a computer. 

A generic term that refers to any computer program whose purpose is to start up and help run the computer system.

A bar at the bottom of the screen that shows applications that are running. 

Opens the start menu and gives you access to applications and settings of the computer. 

II. Give what is being asked.

Meaning of BIOS.

It saves a copy of all files in your computer.

This speeds up access to files by eliminating unnecessary fragments. 

Examples of these devices are the mouse, scanner, printer, and flash drive.

It identifies nonessential files and gives the user an option to free up space

One of the most commonly used operating system in the Philippines. 

The background design that fills up the entire screen.

Small images that represent files and applications.

It allows users to access and set up the computer system at the most basic level.

It looks different across different versions of Windows, but it functions the same way. 

True or False

In prehistoric times, cavepeople used many different objects to help them count. 

Sticks, stones, bones, etc. are the first computers. 

The Pascaline was invented by Joseph-Marie Jacquard.

American Herman Hollerith invented the tabulating machine. 

The difference engine and analytical engine were developed by Charles Babbage. 

Jacquard's invention was a washing machine  and had nothing to do with computing. 

A modern computer is an electronic device that can't store, retrieve and process data. 

Modern computers come in similar kinds and sizes.  

Nowadays, most handheld computers have touchscreens. 

Tablets are bigger than smart phones, but they do not function like phones.

Midrange computers are mainly used as large servers that operate business.

Mainframe computers are used by large organizations for data that need greater security.

Supercomputers are used for weather forecasting. 

Supercomputers are so big that they could fill an entire room. 

You cannot operate computer that has no system software.