Reviewer in Computer 3

It is the brain of our computer :)

• Computer System Unit

• Computer Processing System

• Central Processing Unit

Answer explanation

Central Processing Unit is the brain of the computer. It is a small chip that is tasked to interprets and execute the commands for the hardware and software of our computer.

The latest or newest type of monitor that we can use today.

• Cathode Ray Tube Monitor (CRT monitor)

• Light Emitting Diode Monitor (LED monitor)

• Liquid Crystal Display Monitor (LCD monitor)

Answer explanation

CRT monitor is the oldest among the 3 types of monitors. It looks like an old television.

LCD monitor is the second type of monitor invented. It is lightweight, flat and does not need much energy compared to CRT monitor.

LED monitor is the latest type of monitor. It looks like LCD monitor but consume less energy compared to LCD monitor

Devices that are used to move data or information from one computer to another.

• Communication Devices

• Input Devices

• Processing Devices

Answer explanation

Examples of Communication Devices are:

Smartphone,

Laptop,

Tablets,

Personal Digital Assistants (PDAs),

Wi-Fi routers,

and Modems

A round, thin and flat storage and has a smaller storage space than DVD

• Compact Disc

• Compact Drive

• Compact Memory

Answer explanation

CD (Compact Disc) and DVD (Digital Versatile Disc) is a round, thin and flat storage device.

The only difference between them is that CD usually used for storing documents, but DVD usually used to store movies because it has a bigger space compared to CD

Devices that produce or show results of what we enter in our computer.

• Communication Devices

• Input Devices

• Output Devices

Answer explanation

Examples of Output devices are:

Monitor (CRT, LCD & LED), Printer,

Speaker,

Projector,

and Digital Camera

It is known to be the working memory of your computer.

• Random Access Memory (RAM)

• Random Enhance Memory (ROM)

• Read-Only Memory (ROM)

Answer explanation

In our computer, we have 2 kinds of memory:

RAM or Random Accessed Memory is the working memory of our computer. It is responsible for opening documents and applications installed in our computer like Google Chrome.

ROM or Read-Only memory, stores the important instructions for our computer to open.

Devices that we can use to enter data or information into our computer.

• Entering Devices

• Input Devices

• Processing Devices

Answer explanation

Examples of Input Devices are

Keyboard,

Mouse,

Scanner,

Microphone,

Digital Camera and

Game Pad

The pointing arrow that we can see when we move our mouse is called?

• Clicker

• Cursor

• Pointer

Devices that save data that you can access when you use a computer.

• Communication Devicesmemory

• Processing Devices

• Storage Devices

Answer explanation

Examples of Storage Devices are:

CD (Compact Disc)

DVD (Digital Versatile Disc), USB Flash Drive,

Hard disk

Devices that are used to process data and instructions to produce information in our computer.

• Communication Devices

• Input Devices

• Processing Devices

Answer explanation

Examples of processing devices are:

CPU,

Memory (RAM & ROM)

and Motherboard