__صورة 2__compressed.pdf

### Computer Questions and Answers - **The System Unit** is the container (chassis) of the electronic components. - A **User** is a person who uses the software on the computer to perform some tasks. - Computers are used in **All of them** (Scientific, Engineering, and Research, Business, Education...

### Computer Questions and Answers - **The System Unit** is the container (chassis) of the electronic components. - A **User** is a person who uses the software on the computer to perform some tasks. - Computers are used in **All of them** (Scientific, Engineering, and Research, Business, Education). - The main operations of Computers are: **All of them** (Receiving Input, Storing data, Processing the Data, Producing Output). - **Communicating with other devices** is not one of the main operations of Computers. - **Super Computers** are the most powerful computers. - **Mainframe** is highly secure and precise and can rapidly process millions of transactions. - **Servers** allow multiple users to access the same information from different locations. - **Handheld computers** fit into the palm of one's hand. - A **Smart Phone** is a mobile phone with PC-like Functionality - **Bus Lines** are a collection of wires through which data is transmitted from one part of the computer to another. - **Motherboard** is a flat circuit board. - The CPU has two main units: **Control Unit and Arithmetic Logic Unit**. - The CPU speed is measured by: **Gigahertz**. - Main memory (RAM) stores **Data and programs** temporarily. - **SSD** (Solid-state drive) consists of a set of memory microchips such that data stored electronically and directly on it. - **Software** is a set of instructions that tell the computer what to do. - The CPU is an example of a/an **Hardware**. - **RAM** is the type of memory known as volatile memory. - **Biometric Scanner** uses an individual’s unique physical or behavioral characteristics to identify or authenticate them. - **Barcode Reader** is a device that reads barcode symbols and converts the information into a digital signal that a computer can process. - A device that captures and converts sound into a digital signal is called a **Microphone**. - The USB port is designed to connect multiple **Peripherals**. - **Central Processing Unit (CPU)** determines how fast your computer will run. - **Mouse** is a pointing device used to control the movement of the cursor on the screen. - **3-D Printers** are printers that are used to print 3-D models. - The microprocessor is a **Chip**. - Data is converted into meaningful information by the **Central Processing Unit (CPU)**. - **Keyboard** is an input device. - Mainframes are primarily used in **Banking and insurance** industries. - **Low speed** is NOT a characteristic of supercomputers. - **Digital Camera** is the device primarily used to capture digital images. - **Monitor** is NOT considered a storage device. - **Printer** is an output device. - The primary function of a server is **Managing, storing, and distributing data and resources within a network**. - **Laser Printer** is the type of printer that uses laser light beams to print. - **SSD** is the type of storage device known for being lightweight, fast, and having no moving parts. - **Printer** is a peripheral device. - **Sockets** provide a connection point for small electronic parts called chips. - **Expansion Slots** provide a connection point for specialized cards. - USB is an example of a **Port**. - **ROM** is the type of computer storage that holds data that cannot easily be changed or erased. - **Data** is the input of the computer - **Wifi Router** is not a type of personal computer.