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Quizzes > High School Quizzes > Career

Ace Your PCT Exam Practice Quiz

Advance Your Skills With Focused Exam Practice

Difficulty: Moderate
Grade: Grade 7
Study OutcomesCheat Sheet
Paper art promoting PCT Exam Power-Up, an interactive quiz for high school computer tech students.

What is the function of the CPU in a computer?
Performs calculations and executes instructions
Stores data permanently
Displays images on the screen
Connects to the internet
The CPU (Central Processing Unit) carries out instructions and performs calculations, acting as the computer's brain. It is central to all operations executed by the computer.
Which of the following is an example of an input device?
Keyboard
Printer
Monitor
Speaker
A keyboard is used to input data into a computer, making it an input device. The other options are output devices that deliver information from the computer.
What does the term 'software' refer to in computing?
The programs and operating systems that run on a computer.
The physical components of a computer.
A type of computer virus.
The hardware peripherals connected to a computer.
Software comprises the programs and operating systems that perform tasks on a computer. It is distinct from hardware, which refers to the physical components.
Which device is used to display visual output from a computer?
Monitor
Keyboard
Mouse
Microphone
A monitor is designed to display visual information generated by the computer. The other devices listed serve different functions, primarily for input.
What does 'RAM' stand for in computer technology?
Random Access Memory
Readily Available Memory
Remote Access Module
Real Application Memory
RAM is an acronym for Random Access Memory, which is used for temporary storage while programs are running. It enables quick access to data needed immediately by the CPU.
Which component is responsible for storing long-term data on a computer?
Hard Drive
RAM
CPU
GPU
A hard drive is used for long-term data storage, retaining information even when the power is off. In contrast, RAM provides temporary storage for active processes.
What is an operating system?
Software that manages hardware and software resources for the computer
A physical component responsible for processing data
A device used to connect your computer to the internet
A programming language used to build applications
An operating system is software that coordinates computer hardware and provides common services for computer programs. It is essential for managing the system's resources and enabling application execution.
Which of the following best describes a computer network?
A collection of computers connected to share data and resources
A single computer performing multiple tasks
A hardware device used for storing data
A program that controls computer hardware
A computer network is a group of interconnected computers that share data and resources. This setup facilitates communication and resource sharing among devices.
What is the purpose of an email application?
To send, receive, and organize electronic messages
To edit videos and photos
To browse the internet
To create spreadsheet documents
An email application is designed to manage electronic messages, allowing users to send, receive, and organize emails. Its function is centered on communication rather than media editing or document handling.
Which file extension usually indicates a document created using a word processor?
.doc or .docx
.xls
.ppt
.pdf
.doc and .docx are common file extensions for documents created in word processing applications. The other extensions relate to spreadsheets, presentations, or universal document formats.
What is a browser used for on a computer?
Accessing and navigating the internet
Writing and editing code
Storing files permanently
Generating 3D graphics
A web browser is software that allows users to access, retrieve, and view information on the World Wide Web. It is designed specifically for navigating and displaying web pages.
In computing, what is an algorithm?
A step-by-step procedure or formula for solving a problem
A type of computer hardware
A software tool for designing graphics
A device used to store digital pictures
An algorithm is a defined set of steps used for solving a problem or completing a task. It is a fundamental concept in programming and computational thinking.
Which type of storage is considered volatile?
RAM
Hard Drive
SSD
Optical Disc
RAM (Random Access Memory) is volatile, meaning it loses stored data when powered off. In contrast, devices like hard drives and SSDs preserve data even without power.
What does BIOS stand for in computing?
Basic Input/Output System
Binary Integrated Operating Service
Basic Internal Operating System
Binary Input/Output Software
BIOS stands for Basic Input/Output System and is firmware used during the boot process of a computer. It initializes hardware and provides runtime services for the operating system.
Which of the following is a common peripheral device used primarily for pointing and clicking?
Mouse
Keyboard
Printer
Monitor
The mouse is a peripheral device used predominantly for pointing, clicking, and navigating on a computer interface. Its design optimizes interaction with graphical elements on the screen.
How does increasing RAM affect a computer's performance?
It allows the computer to run more applications simultaneously by reducing the load on virtual memory.
It significantly increases the processing speed of the CPU.
It enlarges the computer's permanent storage capacity.
It improves the quality of the display output.
Increasing RAM enhances the computer's capacity to handle multiple applications at once by reducing reliance on slower virtual memory. It does not directly affect the CPU speed, storage capacity, or display quality.
What is the primary difference between an SSD and an HDD?
An SSD uses flash memory and has no moving parts, whereas an HDD uses spinning disks.
An SSD is larger in capacity compared to an HDD.
An SSD consumes more power than an HDD.
An HDD is typically faster than an SSD.
SSDs (Solid State Drives) use flash memory technology and contain no moving parts, translating to faster data access and higher durability. HDDs rely on mechanical spinning disks, making them slower and more prone to mechanical failure.
Which security measure can help prevent unauthorized access to a computer system?
Using strong, unique passwords along with two-factor authentication.
Regularly changing the computer's wallpaper.
Installing additional software without antivirus protection.
Disabling the firewall for faster performance.
Employing strong, unique passwords and two-factor authentication significantly reduces the risk of unauthorized access. The other options either offer no real security benefits or jeopardize system defense.
What role does a GPU play in a computer system?
It renders images, video, and animations for display on the monitor.
It manages the computer's memory allocation.
It controls the operating system's functions.
It serves as primary storage for files.
A GPU (Graphics Processing Unit) is specialized for rendering images, videos, and animations, offloading these tasks from the CPU. This capability enhances overall system performance in graphics-intensive applications.
When troubleshooting a computer that won't power on, which step is recommended first?
Check the power connection and ensure the power source is active.
Immediately update the operating system.
Replace the CPU with a new one.
Install new software to fix potential bugs.
Verifying that the power connection is secure and the outlet is active is the first important step in troubleshooting a computer that does not power on. This basic check can quickly eliminate simple power supply issues before exploring more complex problems.
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Study Outcomes

  1. Understand key concepts of personal computer technology.
  2. Identify essential hardware and software components.
  3. Analyze the functions of various computer systems.
  4. Evaluate troubleshooting and maintenance strategies.
  5. Apply best practices for computer safety and efficiency.

PCT Exam Quizlet Practice Cheat Sheet

  1. Core Computer Components - Your computer is built from four main parts: input devices (keyboards, mice), output devices (monitors, printers), the CPU (its brain), and storage (hard drives or SSDs). When you type, click, or play games, these parts team up to make everything happen! Explore Intel's Tech & Society
    2. Explore Intel's Tech & Society
  2. Microprocessor Magic - Think of the microprocessor as your computer's brain: it fetches instructions, decodes them, then executes tasks at lightning speed. Understanding how it handles data flow helps you appreciate why some apps run faster than others. Dive into Intel's Microprocessor Guide
    3. Dive into Intel's Microprocessor Guide
  3. Binary Basics - All computer data - text, images, music - is stored and processed using just 0s and 1s. Mastering the binary system lets you decode how machines "think" and prepare you for everything from programming to digital electronics. Learn Intel's Binary Blueprint
    4. Learn Intel's Binary Blueprint
  4. Computing History Adventure - From ancient mechanical calculators to modern supercomputers, the evolution of computing is a roller coaster of innovation. Exploring this history reveals how pioneers solved problems and inspired today's tech breakthroughs. Trace Intel's Tech Timeline
    5. Trace Intel's Tech Timeline
  5. Operating Systems Role - An OS is the backstage manager of your PC or phone, juggling hardware resources and running your favorite apps. It provides your user interface, handles memory allocation, and ensures programs don't crash into each other. Visit NCES OS Overview
    6. Visit NCES OS Overview
  6. Network Types Unveiled - LANs connect devices in a single building, while WANs link networks over wide areas (think cities or countries). Knowing their strengths helps you optimize speed, security, and cost in both home and enterprise setups. Open StudyMerge Networking Guide
    7. Open StudyMerge Networking Guide
  7. Ergonomics Essentials - Good posture, adjustable chairs, and proper screen height can save your wrists and back from strain. By setting up an ergonomic workspace, you'll study longer and feel better doing it! Check StudyMerge Ergonomics Tips
    8. Check StudyMerge Ergonomics Tips
  8. E‑Waste and Green Computing - Old electronics can harm the environment if not recycled properly. Learn how to dispose of or repurpose computer parts safely to reduce your digital carbon footprint. Read StudyMerge on E‑Waste
    9. Read StudyMerge on E‑Waste
  9. Internet Fundamentals - The World Wide Web, URLs, and HTTP are the building blocks of the online world. Knowing how they fit together - and learning to spot reliable info - turns you into a savvy digital explorer. Visit Intel's Web Basics
    10. Visit Intel's Web Basics
  10. Societal Impact of Computing - From social media to remote work, computing has reshaped how we connect, learn, and live. Studying these trends shows you the power - and responsibility - of tomorrow's tech leaders. Explore Intel's Impact Stories
    11. Explore Intel's Impact Stories
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