Technical Quiz CS & IoT

Which one is the first fully supported 64-bit operating system?

• Windows Vista

• Mac

• Linux

• Windows xp

Which company first developed the Java programming Language?

• Microsoft

• Google

• Sun Microsystems

• IBM

A computer use which type of number system to calculate and to store data?

• Decimal

• Octal

• Hexadecimal

• Binary

Which key combination is used to permanently delete a file or folder?

• Shift + Delete

• Shift, Delete

• Delete + Shift

• Delete

What is the relationship between potential energy and position?

• Potential energy decreases as position increases

• Potential energy increases as position increases

• Potential energy remains constant with position

• There is no relationship between potential energy and position

What is the formula for calculating work done?

• W = F * d

• W = d / F

• W = m * g

• W = F / d

What is the formula for calculating the determinant of a matrix

• det(A) = sum of elements along the main diagonal

• det(A) = product of elements along the main diagonal

• det(A) = sum of elements along the secondary diagonal

• det(A) = product of elements along the secondary diagonal

What is the difference between a dynamic and a static array?

• A dynamic array changes size as needed, while a static array has a fixed size

• A static array changes size as needed, while a dynamic array has a fixed size

• A dynamic array stores only numbers, while a static array stores all data types

• A static array stores only numbers, while a dynamic array stores all data types

Which one of the following represents the binary equivalent of the decimal number 23

• 01011

• 10111

• 10011

• 11011

URL stands for

• Uniform Resource Locator

• Universal Resource Locator

• Unique Resource Locator

• Uniform Reserve Locator