8th Class Computer Science Exam July 2023

Computer Science

• A programming language is not Photoshop, which is a graphics editor.

Flowcharts

• A parallelogram symbolizes output in a flowchart.
• A rhombus symbolizes a process in a flowchart.

GIMP

• The 'move' tool in GIMP is represented by an arrow icon.

Pseudocode

• Pseudocode is a way of describing a set of instructions in text form, used to plan out a program.

Computer Hardware

• A sound card facilitates the computer to work with audio.
• The main permanent storage device of a computer is the hard drive.
• RAM (Random Access Memory) is a type of memory that contains data and instructions which are currently needed by the processor.
• A hard drive uses a read/write head.

Computer Security

• DDoS attacks use a botnet to overwhelm a server or other network resource with fraudulent traffic.
• Phishing attacks do not involve sending someone a text message containing malicious software to encrypt personal data.
• A rootkit is a set of malicious applications that allow an attacker to gain administrative access to a computer system.
• Hacking is not always an illegal activity.
• Backing up is a security measure that can safeguard data from most threats.

Open Office Calc

• Three types of filters available in Open Office Calc are:
  • AutoFilter
  • Standard Filter
  • Advanced Filter

Animation Effects

• The animation effect that moves an object within the slide in a given route is a motion path.

Flowchart for Bonus Calculation

• The flowchart for bonus calculation based on employee score, category, performance, and years of experience is as follows:
  • Start
  • Output "Enter the score"
  • Is score 80 or above?
    • Yes: Output "Bonus = 3 salaries"
    • No: Is score 65-79?
      • Yes: Output "Bonus = 2 salaries"
      • No: Is score 50-64?
        • Yes: Output "Bonus = 1 salary"
        • No: Output "No Bonus"

Pseudocode for Bonus Calculation

• The pseudocode for bonus calculation based on employee score, category, performance, and years of experience is as follows:
  • Input score
  • If score >= 80 then
    • Output "Bonus = 3 salaries"
  • ElseIf score >= 65 and score < 80 then
    • Output "Bonus = 2 salaries"
  • ElseIf score >= 50 and score < 65 then
    • Output "Bonus = 1 salary"
  • Else
    • Output "No Bonus"

Python Programming

• The output of the Python code X = 25; Y = 10; results = X - Y; print("X - Y =", results) is X - Y = 15.

This is a computer science examination paper for 8th class students, conducted in July 2023. The exam consists of 2 periods and has a total of 100 marks.