TX PACT (741)

1. Question 1 · Computational Thinking AND Data Analysis

   A software development team is creating a mobile application for school attendance tracking. The team divides the project into modules such as login authentication, attendance recording, reporting, and notifications.

   Which computational thinking concept is demonstrated?
   • A.Pattern recognition
   • B.Abstraction
   • C.Problem decomposition
   • D.Data representation
   Show answer and explanation

   Answer: C. Problem decomposition

   Problem decomposition involves breaking a complex problem into smaller, manageable components. Dividing the application into modules such as authentication and reporting demonstrates decomposition.

2. Question 2 · Computational Thinking AND Data Analysis

   Which computational thinking skill focuses on identifying similarities across problems?
   • A.Decomposition
   • B.Optimization
   • C.Simulation
   • D.Pattern recognition
   Show answer and explanation

   Answer: D. Pattern recognition

   Pattern recognition identifies repeated structures in problems.

3. Question 3 · Programming Concepts

   Which structure stores multiple values under a single variable name?
   • A.Variable
   • B.Function
   • C.Operator
   • D.Array or list
   Show answer and explanation

   Answer: D. Array or list

   Arrays or lists store collections of values.

4. Question 4 · Computing Systems, Networks, AND the Internet

   Which protocol is primarily used to transfer web pages from servers to browsers?
   • A.FTP
   • B.HTTP
   • C.SMTP
   • D.TCP
   Show answer and explanation

   Answer: B. HTTP

   HTTP (HyperText Transfer Protocol) is used to transmit web pages across the Internet.

5. Question 5 · Computing Systems, Networks, AND the Internet

   Which method converts readable data into coded form to prevent unauthorized access?
   • A.Encryption
   • B.Compression
   • C.Formatting
   • D.Virtualization
   Show answer and explanation

   Answer: A. Encryption

   Encryption protects sensitive data by converting it into unreadable code that requires a key to decode.

6. Question 6 · Computational Thinking AND Data Analysis

   A developer breaks down a large software problem into smaller tasks such as user login, database storage, and interface design. Which computational thinking skill is applied?
   • A.Pattern recognition
   • B.Simulation
   • C.Decomposition
   • D.Encoding
   Show answer and explanation

   Answer: C. Decomposition

   Decomposition involves dividing complex problems into smaller manageable parts to simplify development.

7. Question 7 · Computational Thinking AND Data Analysis

   A single binary digit is called a:
   • A.Byte
   • B.Bit
   • C.Block
   • D.Segment
   Show answer and explanation

   Answer: B. Bit

   A bit is the smallest unit of data in computing.

8. Question 8 · Computational Thinking AND Data Analysis

   Which structure executes instructions in order from top to bottom?
   • A.Selection structure
   • B.Sequential structure
   • C.Loop structure
   • D.Conditional structure
   Show answer and explanation

   Answer: B. Sequential structure

   Sequential execution runs instructions step-by-step in order.

9. Question 9 · Impacts of Computing

   HTTPS improves security by:
   • A.Compressing data
   • B.Encrypting communication between browser and server
   • C.Increasing file size
   • D.Blocking network access
   Show answer and explanation

   Answer: B. Encrypting communication between browser and server

   HTTPS encrypts web communication using security protocols.

10. Question 10 · Computing Systems, Networks, AND the Internet

    Encryption is used primarily to:
    • A.Protect data from unauthorized access
    • B.Store backup data
    • C.Compress files
    • D.Increase network bandwidth
    Show answer and explanation

    Answer: A. Protect data from unauthorized access

    Encryption converts readable data into coded form to protect confidentiality.

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