Hartron Important Questions Part 4

Hartron Important

Q:(D) What is the difference between Input device and Output device?

Ans:

Input device

(1)An input device sends information to a computer system for processing
(2)An input device can send data to another device, but it cannot receive data from another device.

Output device

(1)An output device reproduces or displays the results of that processing.
(2)An output device can receive data from another device and generate output with that data, but it cannot send data to another device.

Q:(E) What is the difference between Primary Memory and Secondary Memory?

Primary Memory

(1)Primary memory is the main memory of the computer which can be directly accessed by the central processing unit.
(2)Primary memory can be directly accessed by the CPU.
(3)Primary memory is usually volatile.
(4)Accessing data from primary memory is faster.
(5)Primary memory is an internal memory.

Secondary Memory

(1)Secondary memory refers to the external storage device which can be used to store data or information permanently.
(2)CPU can not directly access the secondary memory.
(3)Secondary memory is non-volatile.
(4)Accessing data from secondary memory is slower.
(5)Secondary memory is external memory.

• Hartron Important Questions Part 5

• Hartron Important Questions Part 6

• Hartron Important Questions Part 7

• Hartron Important Questions Part 8