Podcast
Questions and Answers
What type of memory saves frequently used data and instructions?
What type of memory saves frequently used data and instructions?
- Secondary memory
- Register memory
- Primary memory
- Cache memory (correct)
What is an example of secondary memory?
What is an example of secondary memory?
- USB
- CD
- DVD
- All of the above (correct)
What type of website is considered secure?
What type of website is considered secure?
- <a href="http://ww2.wikipeda.co">http://ww2.wikipeda.co</a>
- <a href="http://wikipeda.in">http://wikipeda.in</a>
- <a href="https://en.wikipedia.org/wiki/India">https://en.wikipedia.org/wiki/India</a> (correct)
- <a href="http://ww1.wikipida.com/">http://ww1.wikipida.com/</a>
What is the total amount of memory places required for 64K words?
What is the total amount of memory places required for 64K words?
What connects all of a computer’s components?
What connects all of a computer’s components?
What is the primary function of the CPU in a computer?
What is the primary function of the CPU in a computer?
Which component stores data permanently even when the computer is turned off?
Which component stores data permanently even when the computer is turned off?
What type of memory is used to run multiple programs simultaneously?
What type of memory is used to run multiple programs simultaneously?
Which component controls the input and output of data in a computer system?
Which component controls the input and output of data in a computer system?
What is the purpose of the power supply in a computer system?
What is the purpose of the power supply in a computer system?
What does the operating system of a computer do?
What does the operating system of a computer do?
Which device allows you to interact with a computer by pointing, clicking, and selecting items on the screen?
Which device allows you to interact with a computer by pointing, clicking, and selecting items on the screen?
Which type of memory is volatile?
Which type of memory is volatile?
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Study Notes
Computer Hardware and Functions
- CPU (Central Processing Unit) processes data and instructions
- CPU is responsible for executing instructions and performing calculations
Computer Storage
- Hard Drive stores data and programs permanently even when the computer is turned off
- RAM (Random Access Memory) is a type of volatile memory that stores data temporarily
- ROM (Read-Only Memory) is a type of non-volatile memory that stores data permanently
Motherboard and Power Supply
- Motherboard holds all the parts together and allows them to communicate
- Power Supply provides electricity to all the other components in a computer system
Input/Output Devices
- Monitor is a component that allows you to see information on a computer screen
- Keyboard is an input device that allows you to interact with a computer by typing
- Mouse is a pointing device that allows you to interact with a computer by pointing, clicking, and selecting items on the screen
Operating System
- Operating System manages hardware and software resources
- Operating System provides a platform for running application software
Memory and Cache
- Cache memory is the smallest and fastest memory that saves frequently used data and instructions
- Register memory is a small amount of memory built into the CPU
- Primary memory is a type of volatile memory that stores data temporarily
- Secondary memory is a type of non-volatile memory that stores data permanently
- Examples of secondary memory include USB, CD, and DVD
Cyber Security
- HTTPS (Hypertext Transfer Protocol Secure) is a secure website protocol
- Types of ROM include EEPROM, PROM, and EPROM
- Network Security, Application Security, and Information Security are all types of Cyber Security
Computer Calculations
- 64K words require 65536 memory places
- Plug-in/Plug-out Method is used to connect a PEN-DRIVE
Computer Components
- Motherboard is a single platform that connects all of a computer’s components
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