SSC CGL Exam > SSC CGL Videos > SSC CGL Tier 2 - Study Material, Online Tests, Previous Year > Computer Hardware
Computer Hardware Video Lecture | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
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FAQs on Computer Hardware Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
| 1. What are the essential components of a computer hardware system? |  |
Ans. The essential components of a computer hardware system include the central processing unit (CPU), memory (RAM), storage devices (hard drives, solid-state drives), input devices (keyboard, mouse), output devices (monitor, printer), and motherboard. These components work together to perform various functions and execute computer programs.
| 2. How does the CPU function in a computer hardware system? | |
Ans. The central processing unit (CPU) is often referred to as the brain of the computer. It performs most of the calculations and executes instructions of a computer program. The CPU consists of an arithmetic logic unit (ALU) that performs mathematical and logical operations, and a control unit that coordinates the execution of instructions. It also interacts with other hardware components to retrieve and process data.
| 3. What is the role of RAM in a computer hardware system? | |
Ans. Random Access Memory (RAM) is a type of computer memory that stores data and instructions temporarily while the computer is running. It provides fast and temporary storage for the CPU to access data quickly. RAM allows multiple programs to run simultaneously, and the more RAM a computer has, the more data it can store and access quickly.
| 4. What is the difference between a hard drive and a solid-state drive (SSD)? | |
Ans. A hard drive is a traditional storage device that uses spinning disks and magnetic heads to read and write data. It provides large storage capacities at a lower cost per gigabyte. On the other hand, a solid-state drive (SSD) uses flash memory chips to store data and has no moving parts. SSDs are faster, more durable, and consume less power compared to hard drives. However, SSDs are generally more expensive per gigabyte of storage.
| 5. How does the motherboard connect all the components in a computer hardware system? | |
Ans. The motherboard is the main circuit board of a computer that connects and allows communication between all the hardware components. It provides electrical connections for the CPU, memory, storage devices, input/output devices, and expansion cards. The motherboard also contains various connectors and ports, such as USB ports, audio jacks, and network ports, which enable external devices to connect to the computer.
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