Types of keys?
What is keyboard ?
What is computer
What is C. P. U.
Answers
Answer:
Control keys
function keys
Navigation keys
Numeric keypad
keyboard is a type writer device which uses an arrangement of buttons or keys
An electronic machine that can store , find and arrange information.
CPU is central processing unit
Ans-1
Super key.
Candidate key.
Primary key.
Alternate key.
Foreign key.
Partial key.
Ans-2
A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. ... Keyboard keys (buttons) typically have a set of characters engraved or printed on them, and each press of a key typically corresponds to a single written symbol
Ans -3
an electronic machine that can store, find and arrange information, calculate amounts and control other machines
Ans -4
The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.