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Saturday, August 14, 2010
Thursday, July 8, 2010
BLOG #2 Parts of a Computer
If you use a desktop computer, you might already know that there isn't any single part called the "computer." A computer is really a system of many parts working together. The physical parts, which you can see and touch, are collectively called hardware. (Software, on the other hand, refers to the instructions, or programs, that tell the hardware what to do.)
The illustration below shows the most common hardware in a desktop computer system. Your system may look a little different, but it probably has most of these parts. A laptop computer has similar parts but combines them into a single notebook-sized package.
Let's take a look at each of these parts.
System unit
The system unit is the core of a computer system. Usually it's a rectangular box placed on or underneath your desk. Inside this box are many electronic components that process information. The most important of these components is the central processing unit (CPU), or microprocessor, which acts as the "brain" of your computer. Another component is random access memory (RAM), which temporarily stores information that the CPU uses while the computer is on. The information stored in RAM is erased when the computer is turned off.
Almost every other part of your computer connects to the system unit using cables. The cables plug into specific ports (openings), typically on the back of the system unit. Hardware that is not part of the system unit is sometimes called a peripheral device or device.
Storage
Your computer has one or more disk drives—devices that store information on a metal or plastic disk. The disk preserves the information even when your computer is turned off.
Hard disk drive
Your computer's hard disk drive stores information on a hard disk, a rigid platter or stack of platters with a magnetic surface. Because hard disks can hold massive amounts of information, they usually serve as your computer's primary means of storage, holding almost all of your programs and files. The hard disk drive is normally located inside the system unit.
Hard disk drive
CD and DVD drives
Nearly all computers today come equipped with a CD or DVD drive, usually located on the front of the system unit. CD drives use lasers to read (retrieve) data from a CD, and many CD drives can also write (record) data onto CDs. If you have a recordable disk drive, you can store copies of your files on blank CDs. You can also use a CD drive to play music CDs on your computer.
CD
DVD drives can do everything that CD drives can, plus read DVDs. If you have a DVD drive, you can watch movies on your computer. Many DVD drives can record data onto blank DVDs.
Floppy disk drive
Floppy disk drives store information on floppy disks, also called floppies or diskettes. Compared to CDs and DVDs, floppy disks can store only a small amount of data. They also retrieve information more slowly and are more prone to damage. For these reasons, floppy disk drives are less popular than they used to be, although some computers still include them.
Floppy disk
Why are floppy disks "floppy"? Even though the outside is made of hard plastic, that's just the sleeve. The disk inside is made of a thin, flexible vinyl material.
Mouse
A mouse is a small device used to point to and select items on your computer screen. Although mice come in many shapes, the typical mouse does look a bit like an actual mouse. It's small, oblong, and connected to the system unit by a long wire that resembles a tail. Some newer mice are wireless.
Mouse
A mouse usually has two buttons: a primary button (usually the left button) and a secondary button. Many mice also have a wheel between the two buttons, which allows you to scroll smoothly through screens of information.
When you move the mouse with your hand, a pointer on your screen moves in the same direction. (The pointer's appearance might change depending on where it's positioned on your screen.) When you want to select an item, you point to the item and then click (press and release) the primary button. Pointing and clicking with your mouse is the main way to interact with your computer. For more information, see Using your mouse.
Keyboard
A keyboard is used mainly for typing text into your computer. Like the keyboard on a typewriter, it has keys for letters and numbers, but it also has special keys:
•The function keys, found on the top row, perform different functions depending on where they are used.
•The numeric keypad, located on the right side of most keyboards, allows you to enter numbers quickly.
•The navigation keys, such as the arrow keys, allow you to move your position within a document or webpage.
Keyboard
You can also use your keyboard to perform many of the same tasks you can perform with a mouse. For more information, see Using your keyboard.
Monitor
A monitor displays information in visual form, using text and graphics. The portion of the monitor that displays the information is called the screen. Like a television screen, a computer screen can show still or moving pictures.
There are two basic types of monitors: CRT (cathode ray tube) monitors and LCD (liquid crystal display) monitors. Both types produce sharp images, but LCD monitors have the advantage of being much thinner and lighter. CRT monitors, however, are generally more affordable.
LCD monitor (left); CRT monitor (right)
Printer
A printer transfers data from a computer onto paper. You don't need a printer to use your computer, but having one allows you to print e‑mail, cards, invitations, announcements, and other materials. Many people also like being able to print their own photos at home.
The two main types of printers are inkjet printers and laser printers. Inkjet printers are the most popular printers for the home. They can print in black and white or in full color and can produce high-quality photographs when used with special paper. Laser printers are faster and generally better able to handle heavy use.
Inkjet printer (left); laser printer (right)
Speakers
Speakers are used to play sound. They may be built into the system unit or connected with cables. Speakers allow you to listen to music and hear sound effects from your computer.
Computer speakers
Modem
To connect your computer to the Internet, you need a modem. A modem is a device that sends and receives computer information over a telephone line or high-speed cable. Modems are sometimes built into the system unit, but higher-speed modems are usually separate components.
Cable modem
The illustration below shows the most common hardware in a desktop computer system. Your system may look a little different, but it probably has most of these parts. A laptop computer has similar parts but combines them into a single notebook-sized package.
Let's take a look at each of these parts.
System unit
The system unit is the core of a computer system. Usually it's a rectangular box placed on or underneath your desk. Inside this box are many electronic components that process information. The most important of these components is the central processing unit (CPU), or microprocessor, which acts as the "brain" of your computer. Another component is random access memory (RAM), which temporarily stores information that the CPU uses while the computer is on. The information stored in RAM is erased when the computer is turned off.
Almost every other part of your computer connects to the system unit using cables. The cables plug into specific ports (openings), typically on the back of the system unit. Hardware that is not part of the system unit is sometimes called a peripheral device or device.
Storage
Your computer has one or more disk drives—devices that store information on a metal or plastic disk. The disk preserves the information even when your computer is turned off.
Hard disk drive
Your computer's hard disk drive stores information on a hard disk, a rigid platter or stack of platters with a magnetic surface. Because hard disks can hold massive amounts of information, they usually serve as your computer's primary means of storage, holding almost all of your programs and files. The hard disk drive is normally located inside the system unit.
Hard disk drive
CD and DVD drives
Nearly all computers today come equipped with a CD or DVD drive, usually located on the front of the system unit. CD drives use lasers to read (retrieve) data from a CD, and many CD drives can also write (record) data onto CDs. If you have a recordable disk drive, you can store copies of your files on blank CDs. You can also use a CD drive to play music CDs on your computer.
CD
DVD drives can do everything that CD drives can, plus read DVDs. If you have a DVD drive, you can watch movies on your computer. Many DVD drives can record data onto blank DVDs.
Floppy disk drive
Floppy disk drives store information on floppy disks, also called floppies or diskettes. Compared to CDs and DVDs, floppy disks can store only a small amount of data. They also retrieve information more slowly and are more prone to damage. For these reasons, floppy disk drives are less popular than they used to be, although some computers still include them.
Floppy disk
Why are floppy disks "floppy"? Even though the outside is made of hard plastic, that's just the sleeve. The disk inside is made of a thin, flexible vinyl material.
Mouse
A mouse is a small device used to point to and select items on your computer screen. Although mice come in many shapes, the typical mouse does look a bit like an actual mouse. It's small, oblong, and connected to the system unit by a long wire that resembles a tail. Some newer mice are wireless.
Mouse
A mouse usually has two buttons: a primary button (usually the left button) and a secondary button. Many mice also have a wheel between the two buttons, which allows you to scroll smoothly through screens of information.
When you move the mouse with your hand, a pointer on your screen moves in the same direction. (The pointer's appearance might change depending on where it's positioned on your screen.) When you want to select an item, you point to the item and then click (press and release) the primary button. Pointing and clicking with your mouse is the main way to interact with your computer. For more information, see Using your mouse.
Keyboard
A keyboard is used mainly for typing text into your computer. Like the keyboard on a typewriter, it has keys for letters and numbers, but it also has special keys:
•The function keys, found on the top row, perform different functions depending on where they are used.
•The numeric keypad, located on the right side of most keyboards, allows you to enter numbers quickly.
•The navigation keys, such as the arrow keys, allow you to move your position within a document or webpage.
Keyboard
You can also use your keyboard to perform many of the same tasks you can perform with a mouse. For more information, see Using your keyboard.
Monitor
A monitor displays information in visual form, using text and graphics. The portion of the monitor that displays the information is called the screen. Like a television screen, a computer screen can show still or moving pictures.
There are two basic types of monitors: CRT (cathode ray tube) monitors and LCD (liquid crystal display) monitors. Both types produce sharp images, but LCD monitors have the advantage of being much thinner and lighter. CRT monitors, however, are generally more affordable.
LCD monitor (left); CRT monitor (right)
Printer
A printer transfers data from a computer onto paper. You don't need a printer to use your computer, but having one allows you to print e‑mail, cards, invitations, announcements, and other materials. Many people also like being able to print their own photos at home.
The two main types of printers are inkjet printers and laser printers. Inkjet printers are the most popular printers for the home. They can print in black and white or in full color and can produce high-quality photographs when used with special paper. Laser printers are faster and generally better able to handle heavy use.
Inkjet printer (left); laser printer (right)
Speakers
Speakers are used to play sound. They may be built into the system unit or connected with cables. Speakers allow you to listen to music and hear sound effects from your computer.
Computer speakers
Modem
To connect your computer to the Internet, you need a modem. A modem is a device that sends and receives computer information over a telephone line or high-speed cable. Modems are sometimes built into the system unit, but higher-speed modems are usually separate components.
Cable modem
Friday, July 2, 2010
Day 07/02/10
FUN-FILLED DAY! :)
I spent this day with Micka and Star and we really enjoyed! :)
We already planned for this day last week that's why we are not having difficulties anymore. We planned where will we go, what will we do and how to make this day a special one! The only problem is that if Star can go with us. Fortunatelly, his mother let her be with us! So, no more worries. :)
Finally our day comes! I can't explain how excited am I. ;)) We text each other about where will we excatly meet so that it will not be confusing.
The meeting place! Robinsons Galleria was the place where will we spend our day. We met at the Gold's Gym at the first floor. Micka and I was the first one to go there. After a few minutes there comes Star! :) Finally our first stop. =))
It was 11:00 am that time and we haven't eaten our lunch yet. We are starving that time. XD Star made the choice were to eat! :) She suggested at Mcdonalds. ;)) We ordered foods that can give us energy to make this day a happy one. :)
After making our stomach full, we now directed to Tom's World XD haha! =)) We're like kids at that moment. =)) We just don't play arcade games there but also enjoy some rides. =)) It was so cool. B-) good thing that Star enjoyed that time too! \:D/
After that moment, we went first to EDSA Shrine to thank God that He let us have a day were we can have bonding time. We thank Him that our first stop here at Robinson was already a good one. :) We pray that there will be more fun time and let this day a successful one. :) Thank you Lord. :)
Then we went to the cinema and bought our tickets. ;) We planned to watch Toy Story 3 rather than Eclipse. =)) haha. Its not yet our time to watch that movie so we decided to roam around first. :)
We arrived were you can buy expensive looking things were you can avail it at a cheap price. :> Me and Star bought a wrist watch worth 100 pesos only. :> and it was pretty. :)
After buying some sort of things we went to Dairy Queen to have our dessert. ;)) haha. :) then, we let Star buy a sim card where she can use it when she is still here in the Philippines. A globe one! XD
Its already quarter to 2:00 pm. We got nothing to do so we went up to the cinema and wait until its our time to watch the movie. :-L our time is 2:20 pm and I can't wait but I need to wait. :-L (I'm acting like a kid. :)
We are actually three only and I'm the youngest one. :)) and I need to follow my older ones. But actually, they are the ones who follow me! haha. I call my older girl friends as "eonnie" (in Korea, it means older sister. I call them like that because they're just like my sisters! haha! XD). Im there "maknae" (younger sister or brother in Korea) that time. XD
I really can't wait so I went up to the store to buy our foods (actually its free for us because we choose to have 3D ones!) and they just followed. XD haha.
It's our time! Yeah! \mm/ can't wait. :) 3D glasses! =p~ I'll be right back! This would be a good one! =)) XD After several hours, the movie is already done. TOY STORY 3 was really an AMAZING movie for kids, teenagers or even for the adults. The story was really touching especially the last part. Everyone can relate on their story. :) WE'RE ALL IN THIS TOGETHER. :)
So its time to say our goodbye to Star. :) Thank you Star for spending this day with us. We love you! >:D<
Micka can't go home because her Dad and Mom is not there yet. We got nothing to do so we decided to buy something the three of us can always wear. Without Star knowing it, we bought some bracelets that we can afford, as a sign of our friendship. :) Know what, its "SALE"! haha. XD you can buy it for only 70 pesos. :> we don't care if its cheap or not, at least memories are born there. :)
After buying some bracelets, we went to Coffee Bean to wait for Micka's Parents. After some minutes, Micka's parents arrived. :) So, whether we like it or not, its time to say Goodbye! :) Thank you Micka for spending this day also with us. Love you! >:D<
This day, is what you call a FUN-FILLED day! :) we really enjoyed. \:D/ this is an unforgettable one. Thank you guys! :) This day will be treasured here in our hearts. :) Thank you and Godbless! :) >:D< FIGHTING! :)
I spent this day with Micka and Star and we really enjoyed! :)
We already planned for this day last week that's why we are not having difficulties anymore. We planned where will we go, what will we do and how to make this day a special one! The only problem is that if Star can go with us. Fortunatelly, his mother let her be with us! So, no more worries. :)
Finally our day comes! I can't explain how excited am I. ;)) We text each other about where will we excatly meet so that it will not be confusing.
The meeting place! Robinsons Galleria was the place where will we spend our day. We met at the Gold's Gym at the first floor. Micka and I was the first one to go there. After a few minutes there comes Star! :) Finally our first stop. =))
It was 11:00 am that time and we haven't eaten our lunch yet. We are starving that time. XD Star made the choice were to eat! :) She suggested at Mcdonalds. ;)) We ordered foods that can give us energy to make this day a happy one. :)
After making our stomach full, we now directed to Tom's World XD haha! =)) We're like kids at that moment. =)) We just don't play arcade games there but also enjoy some rides. =)) It was so cool. B-) good thing that Star enjoyed that time too! \:D/
After that moment, we went first to EDSA Shrine to thank God that He let us have a day were we can have bonding time. We thank Him that our first stop here at Robinson was already a good one. :) We pray that there will be more fun time and let this day a successful one. :) Thank you Lord. :)
Then we went to the cinema and bought our tickets. ;) We planned to watch Toy Story 3 rather than Eclipse. =)) haha. Its not yet our time to watch that movie so we decided to roam around first. :)
We arrived were you can buy expensive looking things were you can avail it at a cheap price. :> Me and Star bought a wrist watch worth 100 pesos only. :> and it was pretty. :)
After buying some sort of things we went to Dairy Queen to have our dessert. ;)) haha. :) then, we let Star buy a sim card where she can use it when she is still here in the Philippines. A globe one! XD
Its already quarter to 2:00 pm. We got nothing to do so we went up to the cinema and wait until its our time to watch the movie. :-L our time is 2:20 pm and I can't wait but I need to wait. :-L (I'm acting like a kid. :)
We are actually three only and I'm the youngest one. :)) and I need to follow my older ones. But actually, they are the ones who follow me! haha. I call my older girl friends as "eonnie" (in Korea, it means older sister. I call them like that because they're just like my sisters! haha! XD). Im there "maknae" (younger sister or brother in Korea) that time. XD
I really can't wait so I went up to the store to buy our foods (actually its free for us because we choose to have 3D ones!) and they just followed. XD haha.
It's our time! Yeah! \mm/ can't wait. :) 3D glasses! =p~ I'll be right back! This would be a good one! =)) XD After several hours, the movie is already done. TOY STORY 3 was really an AMAZING movie for kids, teenagers or even for the adults. The story was really touching especially the last part. Everyone can relate on their story. :) WE'RE ALL IN THIS TOGETHER. :)
So its time to say our goodbye to Star. :) Thank you Star for spending this day with us. We love you! >:D<
Micka can't go home because her Dad and Mom is not there yet. We got nothing to do so we decided to buy something the three of us can always wear. Without Star knowing it, we bought some bracelets that we can afford, as a sign of our friendship. :) Know what, its "SALE"! haha. XD you can buy it for only 70 pesos. :> we don't care if its cheap or not, at least memories are born there. :)
After buying some bracelets, we went to Coffee Bean to wait for Micka's Parents. After some minutes, Micka's parents arrived. :) So, whether we like it or not, its time to say Goodbye! :) Thank you Micka for spending this day also with us. Love you! >:D<
This day, is what you call a FUN-FILLED day! :) we really enjoyed. \:D/ this is an unforgettable one. Thank you guys! :) This day will be treasured here in our hearts. :) Thank you and Godbless! :) >:D< FIGHTING! :)
Thursday, July 1, 2010
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