BASIC SET OF DEVICES MOSTLY FOUND IN MOST PERSONAL COMPUTERS Flashcards
System Unit
-The main part of a microcomputer, sometimes called the chassis.
What is a microcomputer?
A complete computer on a small scale, designed for use by one person at a time.
Chassis
Houses the main electronic components, including the motherboard.
Parts of the System Unit
- Motherboard
- Microprocessor
- Memory Chips
- Buses
- Ports
- Expansion Slots and Cards
Motherboard is also knows as?
Main Board and System Board
Motherboard
-The main circuit board of a computer.
-Contains all the circuits and components that run the computer.
CPU (Central Processing Unit)
-The processor is the main “brain” of a computer.
-It performs all the instructions and calculations that are needed and manages the flow of information through a computer.
Primary Storage is also knows as?
Internal storage, main memory, or memory
CPU stands for?
Central Processing Unit
Primary Storage
-The computer’s working storage space that holds data, instructions for processing and processed data (information) waiting to be sent to secondary storage.
-Physically, primary Storage is a collection of RAM chips.
Physically, what is a primary Storage?
A collection of RAM chips
Expansion Bus
-Data pathway between several hardware components inside or outside a computer.
-It does not only connect the parts of the CPU to each other, but also links the CPU with other important hardware.
Printed-Circuit Boards is also knows as?
Interface Cards
Adapter Cards
-Printed-circuit boards (also called interface Cards) that enable the computer to use a peripheral device for which it does not have the necessary connections or circuit boards.
-Often used to permit upgrading for upgrading a new different hardware.
PSU stands for?
Power Supply Unit
Power Supply Unit (PSU)
-Installed in the back corner of the PC Case next to the motherboard.
-It converts 110-115 or 220-230 vac (Standard House Power) into DC voltages that are used by other components.
DC Voltage stands for?
Direct Current Voltage
Where is the PSU or the Power Supply Unit found?
In the back corner of the PC case, next to the motherboard.
HDD stands for?
Hard Disk Drive
What is Hard Disk Drive also known as?
Hard Drive
Hard Disk Drive
-Magnetic storage device that is installed in inside the computer.
-Used as permanent storage for data.
-In a windows computer, it is usually configured as the c:driving.
-Contains the operating system and applications.
The C Drive or Drive (C:) or Hard Drive contains the?
It contains the operating system and related system files.
Optical Drive
-Storage device that uses lasers to read data on the optical media.
3 types of optical drive
- Compact Disk (CD)
- Digital Versatile Disc (DVD)
- Blu-ray Disk (BD)
Types of Memory
- ROM (Read Only Memory)
- RAM (Random Access Memory)
What does ROM stands for?
Read Only Memory
What does RAM stands for?
Random Access Memory
What is ROM (Read Only Memory)?
-Non-volatile, meaning it holds data whether the power is on or off.
What is RAM (Random Access Memory)?
-Volatile
-Holds data only when the power is on.
-When the power is off, RAM’s content is also lost.
The slots on the Adapter Card is for the?
- Sound Card
- LAN Card
- Video Card
What does LAN Card stands for?
Local Area Network Card
Computer System
-A complete working computer.
-Includes the computer itself, different peripherals attached to it, and the multiple numbers of software installed.
Peripheral
-Any component or hardware components like CD-ROM drives, printers, and scanners.
Hardware
Components that can be touched.
Software
-Coded programs and instructions that control the overall operation of a computer or may also help in increasing office productivity.
-Example of software is OS and applications.
