Saturday, February 20, 2010
System Clock
* Its a electronic device that synchronizes the the components inside a computer. All the pulses are the same in the system clock. It also has a steady signal.
Scanner
Read - only memory (ROM)
Random access memory (RAM)
Pointer
Plotter
Out -put devices
Optical Storage Device
Non impact printers
Mouse: network drive
* A mouse is a device that detects by the motion on a surface. A mouse could have one or more buttons and sometimes a wheel. The motion of the mouse translates into the motion of the cursor on the computer screen and it gives it a good control. A network drive could be a disk or a tape that is connected to a server on the network. It can also be shared by various people.
Mother Board
Instruction Cycle ( I cycle): keyboard
* An instruction cycle also called fetch and execute cycle is a time period during which a computer processes a machine language instruction from its memory or the sequence of action that the central processing unit performs to execute each machine code instruction in a program. A keyboard is a piece of hardware that has keys in it and when you press the button it send the information to the computer.
Input Devices
Impact Printers
Execution Cycle(E cycle): Hard Disk Drive
Central Processing Unit (CPU)
Cd-Rom
Byte
* A byte is a combination of bits in a computer which is usually 8 that is processed by a computer as a unit.
Bit
*A bit is the smallest unit of information on a machine. This term was first used in 1946 by John Tuckui.
Tuesday, February 9, 2010
What are the parts of a computer?
*; What are the parts of a Computer??
- The parts of a a computer is a memory, hard disk , modem, power supply, CD-Rom drive, heat sink, mother board, and graphic cards.
*; Name 5 types of computers??
- One type of a computer is a television. Another type of computer is a PC. Cars could also be a type of computer. The Altair 8800 was one of the first computers made by Ed Roberts. Also another type of computer could be any type of electronic.
- The parts of a a computer is a memory, hard disk , modem, power supply, CD-Rom drive, heat sink, mother board, and graphic cards.
*; Name 5 types of computers??
- One type of a computer is a television. Another type of computer is a PC. Cars could also be a type of computer. The Altair 8800 was one of the first computers made by Ed Roberts. Also another type of computer could be any type of electronic.
What is a computer?
*; A computer is a device that transfers data in a fast time. It use to be really big before like the size of a building but with time it got smaller. A computer holds a lot of information. The computer was first created around 600 b.c. it was really big , bigger then a building. By like the 80's it got to the size of like a building. then they discovered that they didn't need that many things. So they made it smaller.
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