Computers have developed from simple machines to powerful tools that have completely changed our lives.Â
From the first computers made in the 1940s to the newest ones made in the 2020s, the progress in computers has been amazing.
Is General Knowledge Important in Computer?
It’s beneficial to have general computer knowledge for several reasons.Â
First of all, since computers are a significant aspect of our daily lives, it’s helpful to have a fundamental understanding of how they operate.Â
Also, since computers are constantly changing and improving, it’s critical to stay up to date on the most recent advancements.Â
Gaining knowledge about computers can lead to new job prospects in the technology sector.
A little understanding of computers can be helpful in many areas of life, even if you’re not a tech specialist.
General Knowledge About Computer Hardware
| No. | Question | Answer |
| 1. | What are the main parts of a computer? | The central processing unit (CPU), motherboard, memory, storage, input/output devices, and storage are the essential parts of a computer. |
| 2. | What is the CPU an acronym for? | Core Processing Unit |
| 3. | What is the motherboard used for? | The motherboard’s function is to link and enable communication between all of the other parts of the computer. |
| 4. | What is the acronym for RAM? | “Random Access Memory.” |
| 5. | How do RAM and storage differ from one another? | RAM is utilized for short-term storage, whereas storage is used for long-term storage. Although RAM has a lower capacity and is more expensive than storage, it is faster than storage. |
| 6. | How does volatile memory differ from non-volatile memory? | The non-volatile memory can store data even when the power is turned off, whereas volatile memory needs the energy to function. In general, volatile memory operates more quickly than non-volatile memory. |
| 7. | What is an expansion card used for? | An expansion card is a card that may be added to a computer to offer extra features like audio and video support. Other names for them include “adapters” and “peripheral cards.” |
| 8. | What distinguishes a solid-state drive (SSD) from a hard drive? | An SSD is a more recent kind of storage that uses flash memory, whereas a hard drive is a more conventional storage device that uses mechanical elements. Although SSDs cost more than hard disks, they are more robust and speedier. |
| 9. | What distinguishes a wireless network card from a network card? | Computers can connect to networks like the Internet using network cards, also referred to as network interface cards (NICs). A wireless network card is a network card that connects to a network via radio waves rather than cables. |
| 10. | How do a modem and a router differ from one another? | A router links numerous devices to a single network, whereas a modem links a computer to the Internet. Although they are often integrated into routers, modems can also be standalone devices. |
General Knowledge About Computer Software
| No. | Question | Answer |
| 1. | What distinguishes an application from an operating system? | An application is a program that carries out a particular task, such as word processing or playing a game. In contrast, an operating system (OS) is the underlying software that controls the hardware and other applications on the computer. |
| 2. | What distinguishes proprietary software from open-source software? | Open-source software allows anybody to use, alter, and share its source code, whereas proprietary software is closed-source and has code that is held by a single business. Thus, the availability of the source code is the primary distinction. |
| 3. | What distinguishes a search engine from a web browser? | A search engine is a tool that assists you in finding information on the Internet, whereas A web browser is a program that makes it possible to access and browse the Internet. Search engines like Google and Bing are frequently accessed through web browsers like Chrome and Safari. |
| 4. | How do native apps and web apps differ from one another? | On a device, a native app is installed, such as a tablet or smartphone, whereas a web app operates within a web browser. Gmail for iOS is a native app. However, Google Docs is an excellent example of a web app. |
| 5. | How do a desktop operating system and a mobile operating system differ from one another? | A desktop operating system is intended for use on desktop and laptop computers, whereas a mobile operating system is designed for use on mobile devices like smartphones and tablets. |
| 6. | What distinguishes on-premises software from software as a service (SaaS)? | On-premises software is installed on a user’s computer, whereas software as a service (SaaS) is supplied via a computer browser and available over the Internet. Microsoft Office is an example of on-premises software, whereas Google Drive is a famous example of SaaS. |
| 7. | Which operating systems are in vogue? | Android, ChromeOS, Linux, macOS, and Windows. |
| 8. | What are a few well-liked suites for productivity? | Google Docs, Microsoft Office, Apple iWork, Adobe Creative Suite, LibreOffice, OpenOffice, and GIMP |
| 9. | What are a few widely used tools for communication? | Facebook Messenger, WhatsApp, Instagram, Twitter, Signal, Telegram, Discord, Slack, and Zoom. |
| 10. | Which web browser is the most widely used? | Google Chrome holds a market share of more than 60%, making it the most widely used web browser. It is renowned for being quick, safe, and compatible with a large number of websites. A variety of operating systems, including Windows, macOS, Linux, Android, and iOS, are also compatible with Google Chrome. |
General Knowledge About Programming in Computer
| No. | Question | Answer |
| 1. | What function does a compiler provide in programming? | To put it simply, a compiler converts a programmer’s high-level code into machine code that a computer can comprehend and run. |
| 2. | What distinguishes procedural programming from object-oriented programming, please? | The usage of objects that contain data and action is the main focus of object-oriented programming, whereas procedural programming concentrates on procedures or routines. |
| 3. | What role does version control play in the software development process? | Version control facilitates developer cooperation, allows for state reversion, and maintains codebase history by tracking changes to the code over time. |
| 4. | What does the word “algorithm” mean in the programming language? | A step-by-step set of guidelines or instructions to carry out a specific job or resolve a particular issue is called an algorithm. |
| 5. | What function does a variable serve in programming? | In programming, a variable is a symbolic name for a region in memory where data is kept while a program is running. Information manipulation and archiving are made possible by it. |
| 6. | What is the difference between programming language semantics and syntax? | Semantics deals with the meaning of the code and how it is executed, whereas syntax pertains to the proper structure and format of code. |
| 7. | What does the “if-else” statement in programming accomplish? | The “if-else” expression enables conditional code execution. When a condition is evaluated, it runs one block of code if it’s true and a different chunk of code if it’s false. |
| 8. | What does the programming term “abstraction” mean? | The process of simplifying large systems by disassembling them into smaller, easier-to-manage parts is known as abstraction. Programming examples of this include hiding implementation details behind functions, classes, or modules. |
| 9. | What distinguishes static memory allocation from dynamic memory allocation? | In compile-time, memory is allocated in advance of program execution; this is known as static memory allocation. In contrast, dynamic memory allocation occurs during runtime, enabling greater flexibility in memory utilization. |
| 10. | What role does debugging play in the software development lifecycle? | The process of finding and resolving bugs, or problems, in a program is called debugging. It is essential for guaranteeing the accuracy and dependability of software. |
General Knowledge About Networking in Computer
| No. | Question | Answer |
| 1. | What function does an IP address serve in computer networking? | A numerical identification known as an IP address is given to every device that is linked to a computer network. It fulfills two primary functions: location addressing and host or network interface identification. |
| 2. | What distinguishes UDP (User Datagram Protocol) from TCP (Transmission Control Protocol)? | In response, UDP offers quicker, connectionless communication without assured delivery, while TCP provides dependable, connection-oriented communication with error checking and retransmission. |
| 3. | What function does a router serve in a computer network? | In response, a router routes data flow between several networks. It assists in figuring out the most effective route for data packets to take to reach their destination by making decisions based on IP addresses. |
| 4. | What does the networking term “subnetting” mean? | To increase performance, security, and overall network efficiency, an IP network can be subnetted into smaller, easier-to-manage subnetworks. |
| 5. | What is the OSI model, and what makes it significant for networking? | In response, a conceptual framework known as the OSI (Open Systems Interconnection) model divides the operations of a computer or communication system into seven abstraction levels. It facilitates the comprehension and design of network structures. |
| 6. | How does Network Address Translation, or NAT, operate? | To save public IP addresses and improve security, NAT converts private IP addresses inside a local network to a single public IP address that is used for communication with external networks. |
| 7. | What function does the DNS (Domain Name System) serve in networking? | To enable consumers to access websites and other resources using readily remembered names rather than numeric IP numbers, DNS transforms human-readable domain names into IP addresses. |
| 8. | What does the term “bandwidth” mean in networking? | The maximum pace of data flow over a network or communication channel is referred to as bandwidth. It establishes a network’s capacity and speed, which is frequently expressed in bits per second (bps). |
| 9. | What does a firewall do for network security, and how does it help? | In response, a firewall is a type of network security equipment that keeps an eye on and controls network traffic, both entering and leaving, using pre-established security regulations. It serves as a line of defence between reliable internal networks and dubious external networks. |
| 10. | What do the networking words “LAN” and “WAN” mean? | In response, a local area network, or LAN, is a network that spans a constrained geographical region, usually a single building or school. Expanding over greater distances, a WAN (Wide Area Network) links several local area networks (LANs) and frequently uses public or commercial data transmission services. |
General Knowledge about Data Storage in Computer
| No. | Question | Answer |
| 1. | What is the difference in data storage capacity between RAM and ROM? | In contrast to ROM (Read-Only Memory), which is non-volatile and keeps data even when the power is off and is usually used to store firmware or critical system instructions, RAM (Random Access Memory) is volatile memory that is used for temporary storage during program execution. |
| 2. | What function does a hard disk drive (HDD) serve in data storage? | In response, a hard disk drive is a type of non-volatile storage that stores and retrieves digital data using magnetic storage. In computers, it is frequently utilized for long-term data storage. |
| 3. | What distinguishes conventional HDD storage from Solid State Drive (SSD) storage? | In response, SSDs use flash memory instead of spinning disks and mechanical components to store data, which allows for quicker read and write rates. SSDs are also more energy-efficient and robust. |
| 4. | What function does a file system provide in the storage of data? | In response, a file system offers an ordered method for storing, retrieving, and navigating through data on a storage medium. It contains details about folders, file names, and metadata. |
| 5. | What does RAID (Redundant Array of Independent Disks) mean in terms of data storage? | To increase performance, redundancy, or both, RAID is a storage system that combines several disk drives into a single logical unit. It aids in safeguarding data from disk failure. |
| 6. | What is cloud storage, and what are the benefits of using it? | The process of storing data on distant servers that are accessible online is known as cloud storage. Benefits include: Scalability, accessibility from any location, the flexibility to contract out hardware management and maintenance to service providers. |
| 7. | What distinguishes disk-based storage from magnetic tape storage? | The sequential access method of magnetic tape storage makes it appropriate for massive backups and archiving needs. Disk-based storage is more suited for regular data processing and retrieval since it provides faster random access. |
| 8. | What function does a cache provide in data storage? | To reduce the amount of time required to acquire data from slower, primary storage and increase overall system performance, a cache is a smaller, quicker storage region that holds frequently used data or instructions. |
| 9. | What does the term “data deduplication” mean in storage systems? | Data deduplication is the process of finding and getting rid of duplicate copies of data. This saves space on your hard drive and boosts speed by keeping unique copies of data. |
| 10. | How do optical storage devices like CDs and DVDs function as data storage? | In optical storage, information is read and written on a reflecting surface using lasers. The laser reads these patterns to get data from CDs and DVDs, which store data as pits and land on a reflective layer, representing binary information. |
FAQs on General Knowledge About Computer
When did the first personal computer come out?
The Altair 8800, the world’s first personal computer, was introduced in 1975.
Who is the “father of the personal computer”, according to popular belief?Â
Because of his contributions to the Apple I computer, Steve Wozniak is frequently referred to as the “father of the personal computer”.
How are a CPU and a GPU different from one another?Â
A GPU (graphics processing unit) is a specialized processor used to speed up operations connected to computer graphics and video processing. In contrast, a CPU (central processing unit) is a computer’s primary processing unit. It can complete numerous calculations in parallel, which allows it to complete some jobs far more quickly than a CPU.
Conclusion
Computers have come a long way from being huge, expensive machines to small, cheap gadgets that are used by billions of people around the world.
Without computers, our lives would be very different right now. They change and improve so quickly.
The history of computers is a fantastic tale of invention and advancement, spanning from the first personal computer to the newest smartphones, from the CPU to the GPU.
Awesome one; I hope this article answers your question.
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