Computer Fundamentals or Terminologies MCQ Quiz - Objective Question with Answer for Computer Fundamentals or Terminologies - Download Free PDF

The correct answer is (i) - (c), (ii) - (a), (iii) - (b).

Key Points

• Hardware - Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), monitor, mouse, keyboard, computer data storage, graphics card, sound card, speakers, and motherboard.
• Software - Software is a set of instructions or programs, which are used to operate the computer and perform some specific tasks. Example - Chrome, Photoshop, Quick Heal, etc.
• Firmware -Firmware is a specific class of computer software that provides low-level control for a hardware device, such as a keyboard, hard drive, or BIOS (Basic Input-output system).
  • BIOS is an acronym for Basic Input/Output System and is also known as System BIOS, ROM BIOS, or PC BIOS. It is a type of Firmware used during the booting process (power-on/start up) on IBM PC compatible computers. BIOS Firmware is built into PCs, and it is the first software they run when powered on.

The correct answer is wav

Key Points

• wav: ❌ Not an image file. It is a Waveform Audio File Format used for storing audio bitstreams on PCs. It is a common audio file format.
• jpg: ✅ A commonly used method of lossy compression for digital images.
• tiff: ✅ Tagged Image File Format, often used for storing high-quality images.
• png: ✅ Portable Network Graphics, widely used for web images and supports transparency.

Additional Information

• Image file formats like JPG, PNG, TIFF are primarily used for storing raster graphics.
• Audio files like WAV, MP3 are not related to images and are handled by different software and systems.

Hence, the correct answer is: option 1) wav

The correct answer is Hard Disk.

Key Points

• The Hard Disk is a storage device used to store data permanently.
  • A hard disk is a non-volatile storage device that stores data even when the computer is turned off.
  • It is primarily used to store operating systems, software applications, and user data.
  • Hard disks come in various sizes and storage capacities, ranging from a few gigabytes to several terabytes.
  • Unlike components of a CPU, such as the ALU, CU, and cache memory, the hard disk is not involved in the direct processing of data.
  • Hard disks are typically connected to the computer's motherboard via SATA or NVMe interfaces.

Additional Information

• The Arithmetic Logic Unit (ALU) is a core component of the CPU responsible for performing arithmetic and logical operations.
• The Control Unit (CU) directs the operation of the processor by telling the computer's memory, ALU, and input/output devices how to respond to the instructions that have been sent to the processor.
• Cache Memory is a small-sized type of volatile computer memory that provides high-speed data access to the CPU and improves processing speed.
• Unlike the hard disk, these components work together within the CPU to execute instructions and process data efficiently.

The correct answer is option 4: Hard Disk

Key Points

The CPU (Central Processing Unit) is the main part of a computer that performs calculations and controls other parts of the system. It mainly consists of the following components:

• Arithmetic Logic Unit (ALU): Performs arithmetic and logical operations ✅
• Control Unit (CU): Directs operations of the processor and coordinates components ✅
• Cache Memory: A small, high-speed memory inside or near the CPU used to store frequently accessed data ✅

Hard Disk, however, is a secondary storage device used to store data permanently. It is not a component of the CPU.

Explanation of options:

• Option 1 – ALU: ❌ Part of the CPU ✅
• Option 2 – CU: ❌ Part of the CPU ✅
• Option 3 – Cache Memory: ❌ Closely associated with CPU ✅
• Option 4 – Hard Disk: ✅ Not a part of CPU ❌

Hence, the correct answer is: option 4: Hard Disk

The correct answer is Option 1) F2.

Key Points

• In Microsoft Word, pressing F2 allows you to move text or graphics quickly.
• After pressing F2, select the destination location and press Enter to move the selected content.
• This shortcut saves time compared to using cut and paste operations manually.

Additional Information

• F1: Opens the Help pane.
• F5: Opens the "Find and Replace" or "Go To" dialog.
• F12: Opens the "Save As" dialog box.
• F2 is also used in Excel to edit the contents of a cell directly.

The correct answer is Second.

Key Points

• Second-generation computers were based on Transistors instead of vacuum tubes.
• 1959-1965 is the period of second-generation computers.

Additional Information

• List of generations of computers:

The correct answer is From.

Key Points

• Email is a digital message from an author to one or more recipients.
• The email was first introduced by Ray Tomilson.
• When you send an email, you need to select the email address that will receive it.
  • The To line of an email contains its primary recipient or recipients.
  • All recipients in the To line are visible to all other recipients, possibly by default.
• When you send an email your email address contains in from the field.
  • It must list the email address, and one can add a name as well.
  • Users can also include a name to appear alongside their email address by updating the Personal Information settings.

Additional Information

• Bcc and Cc are two different ways of sending copies of an email to additional people. 
• Cc stands for “carbon copy," 
  • When you Cc people on an email, the Cc list is visible to all other recipients.
  • Cc is useful when you want someone else to receive a copy of an email, but they aren’t one of the primary recipients.
• Bcc stands for “blind carbon copy.
  • Only the sender can see the list of BCC recipients.
  • Bcc is useful when you want someone else to receive an email, but you don’t want the primary recipients of the email to see you’ve sent this other person a copy

The correct answer is 1 trillion.

Key Points

• A Terabyte (TB) is a measure of computer storage capacity that is approximately 2 to the 40th power, or 10 to the 12th power, which equals approximately a trillion bytes.
• A Terabyte is more precisely defined as 1,024 gigabytes (GB), while a petabyte consists of 1,024 TB.

Additional Information

• A tbyte, terabyte, or TB, is equal to 1,099,511,627,776 (2⁴⁰) bytes.
• However, the IEC defines a TB as equal to 1,000,000,000,000 (10¹²) bytes.
• 1024 TB = 1 petabyte.
• 1 TB = 1024 gigabytes.
• The terabyte is a multiple of the unit byte for digital information.
• The prefix term was defined for the International System of Units in 1960.

The correct answer is the CPU.

Key Points

• A peripheral device, also sometimes called an auxiliary device, is any connected device (internal or external) that provides a computer with additional functionality.
• Peripheral devices fall into three main categories:
  • Input devices, which send data to the computer.
  • Output devices, which receive data from the computer.
  • Input/output devices, such as storage devices.
• Examples:
  • Mouse
  • Keyboard
  • Webcam
  • Microphone
  • Monitor
  • Speakers
  • Projector
  • Printer
  • USB Flash Drive
  • External Hard Drive

Additional Information

• A keyboard is a primary input device that allows users to input text into the computer or any other electronic machinery.
• A monitor is an output device that displays a Video Display terminal or video display unit in the form of a document.
• A CPU stands for Central Processing Unit that is responsible for executing instructions which constitutes a computer program.
• Arithmetic and Logical unit reside inside it. 

Confusion Points CPU is not a peripheral device because a computer system can not work without a CPU.

The correct answer is Flowchart.

Key Points 

• A flowchart is a diagrammatic representation of program logic.
• A flowchart illustrates a solution model for a given problem.
• A pictorial representation of the algorithm is called a flowchart.
• It is a popular means for describing computer algorithms.
• It is mainly used in analyzing, designing, documenting, or managing a process or program in various fields.
• The first structured method for document process flow was introduced by Frank and Lillian Gilbreth.

Additional Information 

• An algorithm expressed using a precise notation that can be executed by a computer is called a program.
• A program during execution is called Process.
• The collection of facts and figures are called data.

The Correct answer is CPU

Key Points

• ALU (Arithmetic Logic Unit): Responsible for performing arithmetic and logical operations. While critical to a computer's function, it is just one part of the CPU.
• Memory: Refers to the storage space where data and instructions are kept. This includes RAM (Random Access Memory) and other forms of storage, but it is not considered the "brain" of the computer.
• CPU (Central Processing Unit): Often referred to as the "brain" of the computer, the CPU performs most of the processing inside a computer. It executes instructions from programs and controls the operation of other hardware components.
• Control Unit: A component of the CPU that directs operations and manages the execution of instructions. It is crucial but does not encompass all the functions of the CPU.

Thus, the correct answer is: 3) CPU

The correct answer is option 4, i.e. ZIP.

Key Points

• File compression is an important part of the digital workspace. ZIP files use compression to send more data at faster speeds than has ever been possible. This is why ZIP files are such a popular tool for businesses all across the world. But what exactly is a ZIP file?
• ZIP is a common file format that’s used to compress one or more files together into a single location.
• This reduces file size and makes it easier to transport or store. A recipient can unzip (or extract) a ZIP file after transport and use the file in the original format.  

Additional Information 

The correct answer is option 2, i.e. 1024 kilobytes

Additional Information

• 1 Kilobyte = 1024 Bytes.
• 1 Megabyte = 1024 Kilobytes.
• 1 Gigabyte = 1024 Megabytes.
• 1 Terabyte = 1024 Gigabytes.
• Bits are usually assembled into a group of eight to form a byte.
• A bit can hold only one of two values: 0 or 1.

The correct answer is the output process.

Key Points

• The process of taking stored results out of the physical memory of Computers is known as the output process.
• It is how a computer presents the results of the process.
• Outputs are returned to the user in many ways such as text on a screen, printed materials, or as sound from a speaker.
• The common output devices are monitors, printers and speakers.
• Output devices are indispensable but are not a part of the CPU.
• They are also called peripheral devices.