Top 100 Computer Q&A for Beginners

General Computer Knowledge 🖥️​

1️⃣ Who is the father of Computer Science?​

Answer: Charles Babbage 🧠

2️⃣ In a computer, most processing takes place in _______?​

Answer: CPU ⚡

3️⃣ In which type of computer, data are represented as discrete signals?​

Answer: Digital Computer 💻

4️⃣ Scientific Name of Computer?​

Answer: Sillico sapiens 🔬

5️⃣ Display feature that highlights areas requiring attention?​

Answer: Reverse Video 🖤

6️⃣ Computers that combine measuring and counting are called?​

Answer: Hybrid Computer ⚖️

7️⃣ What is FORTRAN?​

Answer: Formula Translation 🧮

8️⃣ What translates and executes program line by line at runtime?​

Answer: Interpreter 🖥️

9️⃣ What converts an entire program into machine language?​

Answer: Compiler 🛠️

🔟 Who is the father of personal computer?​

Answer: Edward Robert 💾

---

Memory & Storage 💽​

1️⃣1️⃣ EEPROM stands for _______?​

Answer: Electronic Erasable Programmable Read Only Memory 🧩

1️⃣2️⃣ Who developed the first electronic computer?​

Answer: J.V. Atanasoff ⚡

1️⃣3️⃣ Which programming languages are low-level languages?​

Answer: Assembly Language 🔧

1️⃣4️⃣ The first web browser?​

Answer: Mosaic 🌐

1️⃣5️⃣ First page of a website?​

Answer: Homepage 🏠

1️⃣6️⃣ IBM stands for?​

Answer: International Business Machines 🏢

---

Networking & Internet 🌐​

1️⃣7️⃣ Office LANs scattered geographically are connected by?​

Answer: WAN (Wide Area Network) 🌍

1️⃣8️⃣ Moving a copy of a file from one computer to another is called?​

Answer: File Transfer 📂

1️⃣9️⃣ Large transaction processing systems use?​

Answer: Batch Processing 🗃️

2️⃣0️⃣ MICR stands for?​

Answer: Magnetic Ink Character Recognition 🖨️

2️⃣1️⃣ Name of 1st electronic computer?​

Answer: ENIAC ⚡

2️⃣2️⃣ Number of different characters in ASCII?​

Answer: 1024 🔢

2️⃣3️⃣ MSIC stands for?​

Answer: Medium Scale Integrated Circuits 💡

2️⃣4️⃣ The scrambling of code is called?​

Answer: Encryption 🔒

2️⃣5️⃣ First computers were programmed using?​

Answer: Machine Language 🖥️

---

Software & Programming 🖱️​

2️⃣6️⃣ A fault in a computer program preventing correct operation is?​

Answer: Bug 🐞

2️⃣7️⃣ Button for uppercase/lowercase letters and symbols?​

Answer: Shift ⬆️

2️⃣8️⃣ Booting process performs?​

Answer: Power On Self Test (POST) ⚡

2️⃣9️⃣ Software used by end users like Word, PowerPoint?​

Answer: Application Software 📄

3️⃣0️⃣ Unit of printer output quality?​

Answer: Dot per inch (DPI) 🖨️

3️⃣1️⃣ Switching device of fifth-generation computers?​

Answer: VLSI 🔬

3️⃣2️⃣ Unit KIPS measures speed of?​

Answer: Processor ⚡

3️⃣3️⃣ DOS stands for?​

Answer: Disk Operating System 💾

3️⃣4️⃣ Joystick is used for?​

Answer: Computer Gaming 🎮

3️⃣5️⃣ 1999 Melissa virus type?​

Answer: E-mail virus 📧

3️⃣6️⃣ Command to reboot computer?​

Answer: Ctrl + Alt + Del 🔄

3️⃣7️⃣ Correcting errors in a program?​

Answer: Debugging 🐛

3️⃣8️⃣ BCD stands for?​

Answer: Binary Coded Decimal 🔢

3️⃣9️⃣ Type of virus that reproduces using computer hosts?​

Answer: Worm 🐛

4️⃣0️⃣ SMTP, FTP, DNS are applications of which layer?​

Answer: Application Layer 🌐

---

Document & File Management 📄​

4️⃣1️⃣ Which command selects the whole document?​

Answer: Ctrl + A 🖱️

4️⃣2️⃣ COBOL stands for?​

Answer: Common Business Oriented Language 💼

4️⃣3️⃣ OS ability to run more than one application at a time?​

Answer: Multitasking ⚡

4️⃣4️⃣ Functional key to display Save-As box?​

Answer: F12 💾

4️⃣5️⃣ Full form of NOS?​

Answer: Network Operating System 🌐

4️⃣6️⃣ Something with easily understood instructions?​

Answer: Analog Data 📊

4️⃣7️⃣ A modem is connected to?​

Answer: Telephone Line ☎️

4️⃣8️⃣ Refresh Rate of monitor is measured in?​

Answer: Hertz (Hz) 🖥️

4️⃣9️⃣ Chief component of first generation computer?​

Answer: Vacuum Tubes & Valves 🔌

5️⃣0️⃣ Father of Computer Mouse?​

Answer: Douglas Engelbart 🖱️

---

Security & Malware 🛡️​

5️⃣1️⃣ Program performing useful tasks but also destructive acts?​

Answer: Trojan Horse 🐴

5️⃣2️⃣ Geometric arrangement of devices on network?​

Answer: Topology 📐

5️⃣3️⃣ Basic goal of computer process?​

Answer: Convert data into Information 📊

5️⃣4️⃣ Where are CPU and memory located?​

Answer: Motherboard 🖥️

5️⃣5️⃣ Founder of IBM Company?​

Answer: Thomas J. Watson 🏢

5️⃣6️⃣ An image on computer screen is made up of?​

Answer: Pixels 🟦🟥

5️⃣7️⃣ Full form of MAN?​

Answer: Metropolitan Area Network 🌆

5️⃣8️⃣ DOS command to recover accidentally deleted files?​

Answer: UNDELETE 🗂️

5️⃣9️⃣ Program that converts entire program into machine language at once?​

Answer: Compiler 🛠️

6️⃣0️⃣ Year Microsoft was founded?​

Answer: 1975 🏢

---

Operating Systems & Hardware 🖥️​

6️⃣1️⃣ Personal computer OS with graphic desktop environment?​

Answer: Windows 🪟

6️⃣2️⃣ Light pen and joystick are?​

Answer: Input Devices 🖱️🎮

6️⃣3️⃣ A half byte is also called?​

Answer: Nibble 🔢

6️⃣4️⃣ SMPS stands for?​

Answer: Switched Mode Power Supply ⚡

6️⃣5️⃣ Change appearance/positioning of text in MS Word?​

Answer: Formatting 📝

6️⃣6️⃣ Approximately a million bytes?​

Answer: Megabyte 💾

6️⃣7️⃣ Daisy wheel, Drum, Chain etc are?​

Answer: Printers 🖨️

6️⃣8️⃣ XML stands for?​

Answer: Extensible Markup Language 🌐

6️⃣9️⃣ HTTP protocol scheme type?​

Answer: Request/Response 🔄

7️⃣0️⃣ Magnetic disk is an example of?​

Answer: Secondary Memory 💽

---

Networking & Protocols 🌐​

7️⃣1️⃣ OSI full form?​

Answer: Open System Interconnection 🌍

7️⃣2️⃣ Type of storage device is BIOS?​

Answer: Primary 💾

7️⃣3️⃣ Extension type of Excel 2007 files?​

Answer: .xlsx 📊

7️⃣4️⃣ Collecting personal info while posing as another?​

Answer: Identity Theft 🕵️‍♂️

7️⃣5️⃣ Amount of vertical space between lines in document?​

Answer: Line Spacing ↕️

7️⃣6️⃣ Computer cannot boot without?​

Answer: Operating System 🖥️

7️⃣7️⃣ Other name for programmed chip?​

Answer: LSIC 🔧

7️⃣8️⃣ Normal CD-ROM storage capacity?​

Answer: 680 MB 💿

7️⃣9️⃣ DMA stands for?​

Answer: Direct Memory Access 💾

8️⃣0️⃣ Full form of LAN?​

Answer: Local Area Network 🌐

---

Programming & Software 💻​

8️⃣1️⃣ ASCII stands for?​

Answer: American Standard Code for Information Interchange 🔢

8️⃣2️⃣ Second Generation computers developed during?​

Answer: 1956-1965 🕰️

8️⃣3️⃣ IBM and Apple joined hands in?​

Answer: 1991 🤝

8️⃣4️⃣ Memory that is both static and non-volatile?​

Answer: ROM 💾

8️⃣5️⃣ Alternative term for bug?​

Answer: Glitch 🐞

8️⃣6️⃣ Unwanted bulk messages?​

Answer: Spam 📧

8️⃣7️⃣ Common name for stealing passwords?​

Answer: Spoofing 🕵️‍♂️

8️⃣8️⃣ BIOS stands for?​

Answer: Basic Input Output System 💻

8️⃣9️⃣ Father of C programming language?​

Answer: Dennis Ritchie 👨‍💻

9️⃣0️⃣ RAM can be treated as?​

Answer: Waiting Room 🪑

9️⃣1️⃣ Computers manipulate data in many ways, called?​

Answer: Processing ⚡

9️⃣2️⃣ Joshy, Perfumes are examples of?​

Answer: Viruses 🦠

9️⃣3️⃣ Recover deleted/damaged files is called?​

Answer: Computer Forensics 🕵️‍♂️

9️⃣4️⃣ Where does most data go first in memory hierarchy?​

Answer: RAM 💾

9️⃣5️⃣ Help Menu is available at which button?​

Answer: Start 🟢

9️⃣6️⃣ File containing permanent data updated during processing?​

Answer: Master File 📂

9️⃣7️⃣ DVD is an example of?​

Answer: Optical Disc 💿

9️⃣8️⃣ Most common tool to restrict computer access?​

Answer: Passwords 🔑

9️⃣9️⃣ Technology that stores only essential instructions on microprocessor chip?​

Answer: RISC ⚡

💯 Application that gathers user info and sends it online?​

Answer: Spybot 🕵️‍♂️