Question : Which component is mainly responsible for doing calculations on the computer?

Option 1: Random access memory

Option 2: Control unit

Option 3: Arithmetic logic unit

Option 4: Hard disk

Question : The area of a regular hexagon with side '$a$' is:

Option 1: $\frac{3\sqrt3}{4}a^2$ sq. unit

Option 2: $\frac{12}{2\sqrt3}a^2$ sq. unit

Option 3: $\frac{9}{2\sqrt3}a^2$ sq. unit

Option 4: $\frac{6}{2\sqrt3}a^2$ sq. unit

Question : The fastest, costlier and relatively small form of storage managed by computer system hardware is:

Option 1: Disk

Option 2: Flash memory

Option 3: Main memory

Option 4: Cache

Question : The fastest, costlier and relatively small form of storage managed by computer system hardware is:

Option 1: cache

Option 2: disk

Option 3: main memory

Option 4: flash memory

Question : The fastest, costlier and relatively small form of storage managed by computer system hardware is :

Option 1: Disk

Option 2: Flash Memory

Option 3: Main Memory

Option 4: Cache