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