Podcast
Questions and Answers
What does the word 'Computer' derive from?
What does the word 'Computer' derive from?
- Spanish word 'Computation'
- Latin word 'Computare' (correct)
- Italian word 'Computare'
- French word 'Compter'
Computers are only used in developed countries.
Computers are only used in developed countries.
False (B)
Name two fields where computers are used.
Name two fields where computers are used.
business, education
The modern world is often referred to as the age of _______.
The modern world is often referred to as the age of _______.
Which of the following is NOT mentioned as a use of computers?
Which of the following is NOT mentioned as a use of computers?
Match the following uses of computers with their respective fields:
Match the following uses of computers with their respective fields:
Which of the following capabilities is associated with modern computers?
Which of the following capabilities is associated with modern computers?
What has the computer technology brought to the world?
What has the computer technology brought to the world?
Which of the following is characteristic of a monochrome monitor?
Which of the following is characteristic of a monochrome monitor?
A color monitor displays output using less than sixteen colors.
A color monitor displays output using less than sixteen colors.
What does pixel refer to in the context of monitors?
What does pixel refer to in the context of monitors?
The measure of how close the pixels are on a monitor is referred to as the ______.
The measure of how close the pixels are on a monitor is referred to as the ______.
What does refresh rate measure in a monitor?
What does refresh rate measure in a monitor?
Match the following monitor types with their descriptions:
Match the following monitor types with their descriptions:
Which device is considered the brain of the computer?
Which device is considered the brain of the computer?
What is the primary advantage of an LCD monitor over a CRT monitor?
What is the primary advantage of an LCD monitor over a CRT monitor?
A pen drive is less popular than an optical storage device.
A pen drive is less popular than an optical storage device.
The electron gun in a CRT monitor emits a beam of protons.
The electron gun in a CRT monitor emits a beam of protons.
What type of printer is a line printer?
What type of printer is a line printer?
The speed of a hard disk is measured in __________.
The speed of a hard disk is measured in __________.
Match the following devices with their types:
Match the following devices with their types:
Which of the following is NOT an output device?
Which of the following is NOT an output device?
LED monitors are heavier and thicker than LCD and CRT monitors.
LED monitors are heavier and thicker than LCD and CRT monitors.
The __________ memories lose their information when power is lost.
The __________ memories lose their information when power is lost.
Which of the following statements about a computer mouse is true?
Which of the following statements about a computer mouse is true?
A joystick is primarily used for typing documents on a computer.
A joystick is primarily used for typing documents on a computer.
What is the primary function of a scanner?
What is the primary function of a scanner?
The __________ is also known as an upside-down mouse due to its movable ball on top.
The __________ is also known as an upside-down mouse due to its movable ball on top.
Match the input devices with their descriptions:
Match the input devices with their descriptions:
What technology does a Bar Code Reader (BCR) primarily use to capture data?
What technology does a Bar Code Reader (BCR) primarily use to capture data?
A touchpad is only used in desktop computers.
A touchpad is only used in desktop computers.
What are the three common buttons found on a computer mouse?
What are the three common buttons found on a computer mouse?
What is the primary function of an assembler?
What is the primary function of an assembler?
The output of an assembler is called source code.
The output of an assembler is called source code.
What does a compiler do?
What does a compiler do?
An ________ processes high-level language by converting it line by line.
An ________ processes high-level language by converting it line by line.
Match the following types of language processors with their functions:
Match the following types of language processors with their functions:
Which of the following is NOT a characteristic of a compiler?
Which of the following is NOT a characteristic of a compiler?
Utility software is primarily used for programming tasks.
Utility software is primarily used for programming tasks.
Name two programming languages that are traditionally interpreted.
Name two programming languages that are traditionally interpreted.
Study Notes
Book Overview
- Edited by Shankar Adhikari and Nabin Kumar Khadka; layout designed by Khados Sunuwar.
- Acknowledgment of contributions to textbook development by CDC.
- Focus on activity-oriented, interesting, and learner-centered approach.
- Encouragement of constructive feedback for continuous improvement.
Content Structure
- The textbook includes topics ranging from Computer Fundamentals to Programming in QBASIC, spanning various essential computer concepts.
Computer Fundamentals
- The modern world is characterized by the integration of science and technology, particularly computer technology.
- Computers are integral in diverse fields: business, education, banking, scientific research, law, and entertainment.
- The term "Computer" originates from the Latin "Computare," meaning 'to calculate'.
Input Devices
- Mouse: Invented by Douglas Engelbart in 1964; includes left, right, and scroll buttons for user commands.
- Joystick: Primarily used for video games; equipped with multiple buttons for enhanced control.
- Track Ball: A stationary device with a moveable ball for screen pointer control; commonly found in compact devices.
- Touchpad: A touch-sensitive surface on laptops that acts as a pointing device, featuring left and right buttons.
- Scanner: Digitizes documents and images, converting hard copies into digital format.
- Barcode Reader (BCR): Reads information from barcodes, converting light reflections into data for computers.
Output Devices
- Monitors
- Monochrome: Displays in one color (e.g., green, white).
- Colour: Capable of displaying multiple colors; includes terms like pixels, screen resolution, dot pitch, and refresh rate.
Monitor Types
- CRT Monitor: Uses cathode rays; characterized by bulk and weight.
- LCD Monitor: Light, thin, and energy-efficient; utilizes liquid crystals for image display.
- LED Monitor: Known for its brightness and quality; heavier and thicker compared to LCDs.
Memory and Storage
- Volatile Memory: Loses data when power fails.
- Storage Devices: Include tools like hard disks, SSDs, and USB drives for data preservation.
Programming Fundamentals
- Assembler: Converts assembly language into machine code; utilizes mnemonic code for easier programming.
- Compiler: Translates high-level language into machine code; highlights errors during the process.
- Interpreter: Processes high-level language line by line; stops for errors and requires re-execution from the start.
Utility Software
- Service programs designed for maintenance tasks related to computer software and hardware.
Key Concepts
- Understanding screen resolution and refresh rates is essential for display quality.
- Familiarity with different storage types and their characteristics aids in effective data management.
- Knowledge of input/output devices enhances user interaction with computers.
Quiz and Matching
- Exercises provided for reinforcement of key concepts, such as matching input/output devices, identifying the brain of a computer, and recognizing impact printers.
Practical Applications
- A strong grasp of computer fundamentals is critical for success in modern educational and professional environments.
Studying That Suits You
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Related Documents
Description
This quiz focuses on the role of assemblers as crucial language processors that translate assembly language into machine language. Learn about mnemonic codes, source programs, and the conversion process that eases programming complexities through assembly language. Test your knowledge on the fundamentals of assemblers.
