Computer Science Basics Quiz
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Questions and Answers

What is the main function of a computer operator?

  • Manage network implementations
  • Write and test programs
  • Design systems
  • Monitor operations and backups (correct)

Which component of the CPU is responsible for logical tests?

  • Peripheral Processor
  • Storage Unit
  • Arithmetic Logic Unit (correct)
  • Control Unit

Which of the following best describes the role of an operating system?

  • Creates visual interfaces for applications
  • Writes and compiles application software
  • Directly processes user input
  • Manages computer resources and establishes user interfaces (correct)

What is a primary function of the Control Unit within the CPU?

<p>Direct the flow of data between the CPU and memory (D)</p> Signup and view all the answers

In file management, what does the path 'Primary -> Secondary -> Tertiary -> File' represent?

<p>The organization of files and folders (A)</p> Signup and view all the answers

Which type of storage is characterized by being long-term and residing externally?

<p>Secondary Storage (D)</p> Signup and view all the answers

What is the purpose of the bootstrapping process?

<p>To initiate the operating system startup (B)</p> Signup and view all the answers

What utility program is specifically designed for data protection?

<p>Backup and Restore Utility (C)</p> Signup and view all the answers

What is a key benefit of networks that enhances the speed of computation?

<p>Computation Speedup (C)</p> Signup and view all the answers

Which type of network connects computers within a small geographical area, such as a single building?

<p>Local Area Network (LAN) (C)</p> Signup and view all the answers

What topology can best be described as having a central computer connected to multiple other computers?

<p>Star (A)</p> Signup and view all the answers

Which server type specifically handles email services?

<p>Mail server (C)</p> Signup and view all the answers

Which transmission type allows communication in both directions, but not simultaneously?

<p>Half Duplex (C)</p> Signup and view all the answers

What is the primary function of a router in a network?

<p>Transmits data to its destination (A)</p> Signup and view all the answers

Which type of network is characterized by sharing resources without a central control point?

<p>Peer-to-peer network (B)</p> Signup and view all the answers

Which of the following is a disadvantage of a Wide Area Network (WAN)?

<p>Higher error rates (A), Lower speed (B)</p> Signup and view all the answers

What does 'awareness' in literacy mean?

<p>Recognizing the importance of computers. (C)</p> Signup and view all the answers

Which of the following is a primary function of a computer?

<p>Output (C)</p> Signup and view all the answers

What characterizes 'custom software'?

<p>It is created for a specific organization. (B)</p> Signup and view all the answers

What type of software is characterized by its ability to be modified and redistributed?

<p>Open-Source Software (C)</p> Signup and view all the answers

Which of the following is NOT a type of productivity software?

<p>Video Editing (C)</p> Signup and view all the answers

What is a defining feature of 'vertical market software'?

<p>Designed for a specific type of business. (D)</p> Signup and view all the answers

Which of the following accurately describes 'shareware'?

<p>Available for a trial period before purchase. (A)</p> Signup and view all the answers

What role does a data entry operator primarily fulfill?

<p>Entering data for processing. (A)</p> Signup and view all the answers

What is the main function of the control unit during instruction time?

<p>It fetches the instruction from memory. (C)</p> Signup and view all the answers

Which of the following describes a byte?

<p>It consists of 8 bits and can store one character. (D)</p> Signup and view all the answers

What is the primary purpose of cache memory?

<p>To provide temporary, high-speed storage for frequently accessed data. (D)</p> Signup and view all the answers

What distinguishes dynamic RAM (DRAM) from static RAM (SRAM)?

<p>SRAM retains data without needing to be refreshed. (A)</p> Signup and view all the answers

Which storage size is generally associated with large systems like mainframes?

<p>Terabyte (C)</p> Signup and view all the answers

What does a larger bus width imply for a computer's performance?

<p>Ability to carry more bits of data at once. (C)</p> Signup and view all the answers

In what scenario would a serial port typically be used?

<p>For connecting devices like a mouse or keyboard. (A)</p> Signup and view all the answers

What is a defining characteristic of Read-Only Memory (ROM)?

<p>It is permanently recorded at the factory and non-volatile. (A)</p> Signup and view all the answers

Flashcards

Computer Literacy

The ability to use and understand computers effectively, including knowledge of computer basics, software applications, and the ability to create and share digital content.

What is a Computer?

A machine that can be programmed to accept data, process it, store it, and generate output based on that data.

Hardware

The physical components of a computer, such as the keyboard, monitor, hard drive, and motherboard.

Software

The set of instructions that tell a computer what to do.

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Application Software

Software designed to perform specific tasks, like creating documents, spreadsheets, or playing games.

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Custom Software

Computer programs created for a specific organization or company to meet their unique needs.

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System Software

Software used to interact with a computer's fundamental operations, such as managing files, controlling resources, and providing a user interface.

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Packaged Software (Commercial Software)

Software that is designed to be used by a wide range of users, typically for a specific purpose or task, and is often available for purchase from software vendors.

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Super

One trillionth of a second. An extremely short time.

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Machine Cycle

The time it takes a computer to complete a single instruction. Involves fetching, decoding, storing, and executing.

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Instruction Time

Retrieving an instruction from memory and determining the memory location.

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Execution Time

The time it takes to execute a specific instruction, including data movement and ALU operations.

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Bit

The smallest unit of data in a computer, representing a single binary digit (0 or 1).

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Byte

A group of 8 bits, representing a single character. Typically used to store a character.

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Word

The number of bits that a computer can process at once. Usually a multiple of 8 bits (e.g., 32 bits, 64 bits).

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Motherboard

A circuit board that houses the central processing unit (CPU) and other essential components.

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Kernel

The main program that controls the operating system, managing its resources and starting the computer.

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Bootstrapping

The process of starting a computer, where the kernel is loaded from the hard drive to memory.

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Platform

The combination of hardware and its operating system.

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My Computer

The main file management utility on most computers, allowing you to access and organize files.

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File Extension

A unique identifier that indicates the type of data a file contains.

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Utility Program

A program that performs secondary tasks like compressing files, backing up data, or protecting against viruses.

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Control Unit

The part of the CPU that directly controls all the processes and instructions.

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Arithmetic Logic Unit (ALU)

The part of the CPU that performs all the mathematical operations and logical comparisons.

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What is a computer network?

A collection of two or more computers connected for sharing data and resources.

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Benefits of Computer Networks

Allows sharing hardware like printers, software like applications, and distributes computing tasks for faster processing.

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Local Area Network (LAN)

A network within a small geographical area, typically owned and managed by an individual or organization. Examples include homes, businesses, or schools.

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Metropolitan Area Network (MAN)

A network that spans a larger geographical area, covering a city or metropolitan region. It often connects multiple LANs together.

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Wide Area Network (WAN)

A network that connects computers across vast distances, like countries or continents. It uses multiple LANs and often involves specialized equipment.

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Peer-to-peer Network

A network where each computer (node) is equal and can share resources directly with each other. No central authority or server controls the network.

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Server-based Network

A network with a dedicated server that controls access to resources. Computers connect to the server and request resources. It is easier to manage and administer compared to peer-to-peer.

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File Server

A type of server that provides storage and management of shared files for users on the network. It facilitates backups and centralizes file access.

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