- 1. What was the first company to release a commercially successful portable calculator?
A) HP
B) Sharp
C) Texas Instruments
D) Casio
- 2. Which type of display technology is commonly used in modern portable calculators?
A) OLED
B) LCD
C) CRT
D) LED
- 3. What is the term for a portable calculator capable of performing complex mathematical functions?
A) Scientific Calculator
B) Graphing Calculator
C) Basic Calculator
D) Financial Calculator
- 4. Which company introduced the first pocket-sized calculator in 1971?
A) HP
B) Sharp
C) Canon
D) Casio
- 5. What does 'DPI' stand for in the context of portable calculators?
A) Dots Per Inch
B) Dynamic Processor Integration
C) Digital Pixel Index
D) Device Programming Interface
- 6. Which type of mathematical notation is commonly used in advanced portable calculators?
A) RPN
B) LCM
C) BODMAS
D) PI
- 7. What is the maximum number of digits displayed on a typical portable calculator?
A) 14
B) 8
C) 12
D) 10
- 8. What is the purpose of the 'M+' button on a calculator?
A) Memory Copy
B) Subtract from Memory
C) Add to Memory
D) Multiply Memory
- 9. What is the term for a portable calculator used primarily for financial calculations?
A) Graphing Calculator
B) Scientific Calculator
C) Financial Calculator
D) Basic Calculator
- 10. What is the purpose of the 'CE' button on a calculator?
A) Cancel Equation
B) Compute Expression
C) Complete Equation
D) Clear Entry
- 11. Which of the following is a common feature in basic calculators?
A) Addition
B) Matrix Operations
C) Statistical Analysis
D) Complex Functions
- 12. Who is credited with inventing the first handheld electronic calculator in 1967?
A) Thomas Edison
B) Albert Einstein
C) Jack Kilby
D) Alexander Graham Bell
- 13. What is the purpose of the 'memory' function on a calculator?
A) Take pictures
B) Store temporary values
C) Make phone calls
D) Order food online
- 14. Which mathematician is known as the 'Father of the Computer' and made significant contributions to the development of calculators?
A) Charles Babbage
B) Euclid
C) Isaac Newton
D) Leonhard Euler
- 15. What does the acronym 'CAGR' stand for in finance and business calculations?
A) Continuous Annual Growth Ratio
B) Calculating Adjustable Growth Rate
C) Compound Annual Growth Rate
D) Corporate Annual Governance Report
- 16. What year was the first modern handheld calculator introduced commercially by Texas Instruments?
A) 1980
B) 1995
C) 1972
D) 1960
- 17. What feature on a calculator allows for quick correction of mistakes in data entry?
A) Delete all button
B) Screen brightness adjustment
C) Backspace key
D) Volume control
- 18. What unit of measurement is commonly used to quantify the speed of calculator processors?
A) Kilowatt
B) Gigabyte
C) Megahertz
D) Newton
- 19. What mathematical constant is represented by the symbol 'π' on calculators?
A) Pi
B) Delta
C) Gamma
D) Sigma
- 20. Which type of portable calculator uses beads on rods to perform calculations?
A) Comptometer
B) Eniac
C) Abacus
D) Slide rule
- 21. What is the function of the 'x2' button on a calculator?
A) Double the displayed number
B) Calculate square root
C) Divide the displayed number by 2
D) Square the displayed number
- 22. What is the term for the number by which a dividend is divided in a division calculation?
A) Multiplier
B) Divisor
C) Addend
D) Quotient
- 23. In which decade did handheld calculators become popular consumer products?
A) 1970s
B) 1980s
C) 1990s
D) 1960s
- 24. What type of calculations do financial calculators excel at?
A) Caloric intake calculations
B) Distance and speed calculations
C) Chemical reaction calculations
D) Interest and time value of money calculations
- 25. Which programming language is commonly used for creating calculator applications?
A) Ruby
B) C++
C) Python
D) Java
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