1.2.1 - Study of Different components of Computer Hardware.

• A) Memory Unit
• B) Input Unit
• C) Arithmetic & Logic Unit
• D) Output Unit

• A) To execute instructions and perform calculations
• B) To manage the flow of data between different parts of the computer
• C) To provide temporary storage for data
• D) To output processed data to external devices

• A) To connect peripheral devices
• B) To execute instructions and process data
• C) To store data permanently
• D) To manage network connections

• A) Hard Disk Drive (HDD)
• B) Random Access Memory (RAM)
• C) Solid State Drive (SSD)
• D) Optical Disk

• A) Hard Disk Drive (HDD)
• B) Solid State Drive (SSD)
• C) Magnetic Tape
• D) CD-ROM

• A) To provide a power supply
• B) To serve as the central hub connecting various hardware components
• C) To render graphics
• D) To cool down the CPU

• A) Expansion Slots
• B) Memory Slots
• C) CPU Sockets
• D) Power Connectors

• A) To perform general-purpose computing tasks
• B) To render images and videos
• C) To manage network traffic
• D) To execute software applications

• A) Dedicated Graphics
• B) External Graphics
• C) Integrated Graphics
• D) Network Graphics

• A) Monitor
• B) Printer
• C) Keyboard
• D) Speaker

• A) To input data into the computer
• B) To process and store data
• C) To display or produce information from the computer
• D) To manage network connections

• A) To connect the computer to a network for data exchange
• B) To provide power to the computer
• C) To render graphics
• D) To store data

• A) Router
• B) Power Supply Unit (PSU)
• C) Hard Disk Drive (HDD)
• D) Graphics Processing Unit (GPU)

• A) To convert electrical power into a form usable by the computer
• B) To manage network connections
• C) To execute software applications
• D) To display graphics

• A) By increasing processing speed
• B) By preventing components from overheating
• C) By storing data more efficiently
• D) By enhancing network connectivity

• A) To carry data between the CPU, memory, and other internal components
• B) To provide power to the computer
• C) To manage network traffic
• D) To render graphics

• A) Data Bus
• B) Address Bus
• C) Control Bus
• D) Extension Bus

• A) It operates independently of a clock
• B) It runs in parallel with the computer’s clock
• C) It requires manual intervention for data transfer
• D) It is used only for external devices

• A) It runs in parallel with the computer’s clock
• B) It operates independently of a clock
• C) It transfers data at a higher speed
• D) It connects internal components only

1.2.2 - Input Devices and Memory

• a) Mouse
• b) Joystick
• c) Keyboard
• d) Scanner

• a) To type text
• b) To scan documents
• c) To control the cursor on the screen
• d) To store data

• a) Light Pen
• b) Joystick
• c) Scanner
• d) Barcode Reader

• a) By scanning barcodes
• b) By detecting light from the screen to identify its position
• c) By controlling the cursor movement
• d) By inputting text

• a) Flatbed Scanner
• b) Hand-held Scanner
• c) Joystick Scanner
• d) Both A and B

• a) To input text
• b) To scan images
• c) To read and interpret barcode patterns for tracking products
• d) To control the movement of objects on the screen

• a) Secondary Memory
• b) Primary Memory
• c) Tertiary Memory
• d) Cache Memory

• a) RAM
• b) ROM
• c) Cache
• d) Register

• a) To permanently store data
• b) To provide fast access to frequently used data
• c) To manage input and output operations
• d) To hold data during processing

• a) Dynamic Random Access Memory
• b) Direct Read Access Memory
• c) Dynamic Read Access Memory
• d) Direct Random Access Memory

• a) SRAM
• b) DRAM
• c) ROM
• d) Cache

• a) SRAM is cheaper than DRAM
• b) SRAM is faster and more expensive than DRAM
• c) SRAM requires constant refreshing, while DRAM does not
• d) DRAM stores data permanently, while SRAM does not

• a) PROM
• b) EPROM
• c) EEPROM
• d) DRAM

• a) To hold the address of the current instruction
• b) To store data temporarily
• c) To carry input characters
• d) To hold memory operands

• a) Data Register (DR)
• b) Accumulator (AC)
• c) Address Register (AR)
• d) Program Counter (PC)

• a) Hard Disk
• b) CD-ROM
• c) Flash Drive
• d) RAM

• a) Primary Memory
• b) Secondary Memory
• c) Cache Memory
• d) Tertiary Memory

• a) CD-ROM
• b) Hard Disk
• c) Flash Drive
• d) Optical Drive

• a) They are faster than hard disks
• b) They are generally more affordable and have larger storage capacity
• c) They are portable and can store data permanently
• d) They have no moving parts

• a) CD-ROM
• b) DVD-ROM
• c) Blu-ray Disc
• d) CD-RW

1.2.3 - Output Devices.

• A) To input data into the computer
• B) To store data permanently
• C) To translate data into text, audio, video, or hard copy
• D) To manage software applications

• A) Monitor
• B) Keyboard
• C) Printer
• D) Speakers

• A) Prints information onto paper
• B) Outputs sound for listening
• C) Displays information in the form of images or text
• D) Projects images onto a larger surface

• A) Projector
• B) Printer
• C) Headphones
• D) Monitor

• A) To print documents on paper
• B) To display video or images on a screen or surface
• C) To convert text into audio
• D) To store digital data

• A) Audio output
• B) Visual output
• C) Hard copy output
• D) Video output

• A) Speakers are used for audio output through Bluetooth, while headphones use cables
• B) Speakers are typically used for audio output in pairs, while headphones are used individually
• C) Speakers are used for visual output, while headphones are used for audio output
• D) Speakers can only be connected to the CPU, while headphones can be used with any device

• A) Power supply
• B) Visual display
• C) Electronic connectors
• D) External user controls

• A) Physical components of a computer
• B) A set of instructions or programs that helps a computer accomplish a particular task
• C) The hardware devices connected to a computer
• D) The electrical signals used by the computer

• A) Operating System
• B) Web Browser
• C) Hard Drive
• D) Word Processor

• A) System Software
• B) Application Software
• C) Hardware Software
• D) Utility Software

• A) Manages hardware resources
• B) Facilitates communication between the user and the computer
• C) Provides tools for specific tasks or applications
• D) Controls the operating system’s core functions

• A) Application Software
• B) System Software
• C) Firmware
• D) Network Software

• A) To perform specific tasks for the user
• B) To manage and control hardware resources and provide a platform for running application software
• C) To create and manage files and documents
• D) To directly interact with external hardware devices

• A) Web Browser
• B) Spreadsheet
• C) Antivirus
• D) Database Management System

• A) Software refers to the physical components, while hardware refers to the programs and applications
• B) Software is intangible and consists of programs and instructions, while hardware is tangible and consists of physical components
• C) Software is used to store data, while hardware is used for processing
• D) Software is responsible for physical interactions, while hardware is responsible for executing commands

• A) Manages hardware resources
• B) Facilitates communication with other computers over a network
• C) Allows users to access and navigate the internet
• D) Performs system diagnostics

• A) Application Software
• B) System Software
• C) Utility Software
• D) Development Software

• A) Operating System
• B) Word Processor
• C) Spreadsheet Software
• D) Database Management Software

• A) Microsoft Office
• B) Adobe Photoshop
• C) Disk Cleanup Tool
• D) Mozilla Firefox