10 Questions
What is the primary function of RAM in a computer system?
To temporarily hold data and instructions
What type of processor can operate on both 32-bit and 64-bit operating systems?
x86-64 bit processor
What is the primary purpose of a memory controller in a computer system?
To refresh the DRAM several thousand times a second
What type of processor is commonly used in workstations or servers?
Fully implemented 64-bit processor
What type of memory module is currently used on a motherboard?
DIMM (Dual In-line Memory Module)
What is a characteristic of DRAM (Dynamic Random Access Memory)?
It is a volatile memory technology that loses its data rapidly
What is the name of the slot used for DRAM (Dynamic Random Access Memory) on a motherboard?
DIMM (Dual In-line Memory Module)
What is the primary function of a southbridge chipset?
To interface with peripherals and manage I/O operations
Which type of processor is known for its use in older systems?
x86 processor
What is the purpose of cache memory in a processor?
To improve processor performance
Study Notes
Types of RAM
- DDR DIMM: Double Data Rate Dual In-line Memory Module (184-pin)
- SO-DIMM: Simple Outline Dual Inline Memory Module
Types of RAM Capacity and Speed
- SDRAM: Synchronous Dynamic RAM
- DDR SDRAM, DDR2, DDR3, DDR4: Double Data Rate Synchronous Dynamic RAM
Hardware Components
- CPU: Central Processing Unit (the heart of a computer)
- Motherboard: Main circuit board of a computer
- RAM: Random Access Memory (temporarily holds data and instructions as the CPU processes them)
- PSU: Power Supply Unit (power distribution unit)
- COM1: Communication Port 1
- RJ45: Ethernet Port
- PCI slots: Peripheral Component Interconnect slots
- ISA slots: Industry Standard Architecture slots
- SSD: Solid State Drive
Operating Systems
- Desktop O/S: Win 98, 2000 prof, XP, 7, 8, 10
- Server O/S: Win 2000 ser, 2013, 2008, 2008 r2, 2012, 2012 r2, 2016
PC Assembly
- Pre-assembly preparation: Anti-static wrist strap, set of screwdrivers and pliers, piece of cloth, CPU Thermal compound
- Step 1: Install the motherboard, ensuring all components are in place, clean and big enough workspace
- Step 2: Install the CPU, handling it properly, not touching the pins
Input Devices
- Keyboard
- Mouse
- Microphone
- Scanner
- Web Cam
- MODEM
- Touch Screen Monitors
- USB Pen drives
- CD/DVD RW
- Floppy Drive
Output Devices
- Monitor
- Printer
- Speakers
- MODEM
- Touch Screen Monitors
- USB Pen drives
- CD/DVD RW
- Floppy Drive
Basic Components of a Computer System
- System Unit
- Casing
- Power Supply
- Mother Board
- Processor
- Memory (RAM)
- Display Adaptor
- Storage devices
- Sound Card
- Network Interface
Casing
- Two types: Desktop type casing and Tower type casing
- Important considerations: Airflow, Cooling Systems, Front-panel Connectivity
Power Supply Unit (PSU)
- Power distribution unit
- Inputs: AC-240V/60Hz
- Connector types: Various
- Wattage: Important (e.g., 350W, 450W)
- Uses advanced power management (APM) to allow the computer to go into standby mode
Processors
- Three categories: 32-bit, 32-bit/64-bit, and 64-bit processors
- 32-bit processors: Older, x86 processors
- 32-bit/64-bit processors: Hybrid, x86-64 bit processors
- 64-bit processors: Intel, for workstations or servers, fully implemented 64-bit processing
Test your knowledge of computer hardware components, including RAM types, motherboards, and storage devices, as well as desktop operating systems. Identify different devices and their functions, and learn about the various types of RAM and storage options.
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