Q1: Define Computer.
Ans:A computer is an electronic device that processes data and performs tasks according to instructions.
Q2: Write some uses of computers.
Ans:
Some of the uses are:- ➔ Education
- ➔ Business
- ➔ Communication
- ➔ Entertainment
- ➔ Research
Q3: Name different parts of the computer.
Ans:
Some of the parts are:- ➔ Monitor
- ➔ CPU
- ➔ Keyboard
- ➔ Mouse
- ➔ Printer
Q4: Define Storage devices.
Ans:Devices used to store data and files, e.g., hard drives, USB drives are called storage devices.
Q5: What do you know about desktops?
Ans:A desktop is a personal computer designed to be used at a fixed location.
Q6: Define Hardware.
Ans:The physical components of a computer system that we can touch are called hardware.
Q7: Define Software.
Ans:A set of instructions that tells the computer what to do is called software.
Q8: Define RAM.
Ans:The temporary memory used by a computer while working is called RAM (Random Access Memory).
Q9: Define ROM.
Ans:The permanent memory that stores essential system instructions is called ROM (Read Only Memory).
Q10: Define Input devices.
Ans:Devices that are used to enter data into a computer are called input devices. Examples: Mouse, Keyboard etc.
Q11: Define Output devices.
Ans:Devices that show the result of processed data are called output devices. Examples: Monitor, Printer etc.
Q12: Define Magnetic disk.
Ans:A storage device that uses magnetic storage to store data is called a magnetic disk.
Q13: Define Floppy disk.
Ans:A small, removable magnetic storage device used in older computers is called a floppy disk.
Q14: Write some benefits of USB.
Ans:
Some of the benefits are:- ➔ Portable
- ➔ Easy to use
- ➔ Provide fast data transfer
- ➔ Are reusable
Q15: Define USB.
Ans:A standard device used to connect peripherals to a computer is called a USB (Universal Serial Bus). OR USB is a standard way to connect devices to a computer for data transfer and power.
Q16: What do you know about a Scanner?
Ans:A scanner is a device that converts physical documents into digital format.
Q17: State some important features of Laser printers.
Ans:
The features are:- ➔ High speed
- ➔ Sharp print quality
- ➔ Low noise
- ➔ Cost-effectiveness for bulk printing
Q18: What do you know about Programming languages?
Ans:Programming languages are used to write software and control the operations of a computer.
Q19: Enlist any 4 programming languages.
Ans:
The languages are:- ➔ Python
- ➔ Java
- ➔ C++
- ➔ HTML
Q20: What are Application Softwares?
Ans:Software designed to perform specific tasks for users is called application software.
Q21: Write any 4 important features of Application softwares.
Ans:
The features are:- ➔ User-friendliness
- ➔ Task-specificity
- ➔ Ease of updates
- ➔ Efficient performance
Q22: What are CRT monitors?
Ans:CRT (Cathode Ray Tube) monitors are bulky display screens that use cathode ray tubes to display images.
Q23: What is a Laptop?
Ans:A laptop is a portable personal computer that can be used anywhere.
Q24: Define Special Purpose Computers.
Ans:Computers designed to perform a specific task are called special purpose computers.
Q25: What do you know about CPU?
Ans:The CPU (Central Processing Unit) is the brain of the computer that performs calculations and processes data.
Q26: Define Hybrid Computers.
Ans:Computers that combine the features of both analog and digital computers are called hybrid computers.
Q27: What are some disadvantages of using computers?
Ans:
Some of the disadvantages are:- ➔ Eye strain
- ➔ Cybercrime
- ➔ Job loss
- ➔ Over-dependency
Q28: Define Micro computers.
Ans:Small and affordable personal computers used by individuals are called microcomputers.
Q29: Define Mini computers.
Ans:Medium-sized computers used in businesses and institutions are called minicomputers.
Q30: Define LCD Monitors.
Ans:Flat-panel display screens that use liquid crystal technology are called LCD monitors.
Q31: Name some color monitors.
Ans:
Some color monitors are:- ➔ LCD monitors
- ➔ LED monitors
- ➔ OLED monitors
- ➔ CRT monitors
Q32: Define Programs.
Ans:A set of instructions that a computer follows to perform a task is called a program.
Q33: Define Assembly Language.
Ans:A low-level programming language that is closer to machine code is called assembly language.
Q34: Define Low Level Language.
Ans:A low level language is a programming language that is close to machine language and is hard for humans to understand.
Q35: Define High Level Language.
Ans:A programming language that is easy for humans to understand and use is called a high-level language.
Q36: Define the Internet.
Ans:A global network that connects millions of computers for sharing information is called the internet.
Q37: Define Intranet.
Ans:A private network used within an organization is called an intranet.
Q38: Write about some advantages of the internet.
Ans:Some advantages of the internet are easy communication, access to information, online shopping, and remote work.
Q39: Write about some disadvantages of the internet.
Ans:Some disadvantages of the internet are cybercrime, addiction, misinformation, and privacy concerns.
Q40: Define Compiler.
Ans:A program that converts the entire source code into machine code at once is called a compiler.
Q41: Define Interpreter.
Ans:A program that translates and executes code line by line is called an interpreter.
Q42: Define Source Program.
Ans:The original code written by a programmer in a high-level language is called a source program.
Q43: Define PASCAL.
Ans:PASCAL is a high-level programming language used mainly for teaching and academic purposes.
Q44: Define FORTRAN.
Ans:FORTRAN is a high-level programming language used for scientific and engineering applications.
Q45: Define Flash drive.
Ans:A small, portable USB storage device used to store and transfer data is called a flash drive.
Q46: One Byte is equal to how many Bits?
Ans:One byte is equal to 8 bits.
