NAME – vivek singh. Class – VIII. WHAT IS COMPUTER ? A COMPUTER IS AN ELECTRONIC MACHINE. THAT CONVERT DATA INTO MEANINGFUL INFORMATION. IT CALCULATED.

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Presentation transcript:

NAME – vivek singh. Class – VIII

WHAT IS COMPUTER ? A COMPUTER IS AN ELECTRONIC MACHINE. THAT CONVERT DATA INTO MEANINGFUL INFORMATION. IT CALCULATED THE ARITHMATICAL AND LOGICAL TASKS.

HOW MANY TYPES OF COMPUTER ? MAINLY THREE TYPES OF COMPUTER – 1.DIGITAL COMPUTER. 2.ANALOG COMPUTER. 3.HYBRID COMPUTER.

WHAT IS HARDWARE ? ALL THE PHISICAL COMPONENT OF THE COMPUTER SYSTEM, WE CAN SEE AND TOUCH IS CALLED HARDWARE ALL INPUT, OUTPUT, PROCESSING DEVICES, LOGICAL CIRCUITS ARE EXAMPLE OF HARDWARE.

WHAT IS SOFTWARE ? SOFTWARE IS A SET UP PROGRAM, WE CANNOT SEE AND TOUCH WE CAN FEEL IT CALLED SOFTWARE.

HOW MANY TYPES OF SOFTWARE ? TWO TYPES OF SOFTWARE :- 1.SYSTEM SOFTWARE 2.APPLICATION

WHAT IS THE SMALLEST UNIT OF COMPUTER MEMORY ? BIT – 4BIT – 1NOBBLE - 8BIT – 1 BYTE BYTE – 1 K.B M.B – 1 G.B G.B – 1 J.B

WHAT IS PERIPHERALS ? DEVICE ANY PEACE OF HARDWARE ATTACH TO THE COMPUTERIS CALLED PERIPHERALS. EXAMPLE – KEYBOARD MOUSE SPEAKER P.D e.t.c

EXPLAIN THE DATA REPRESENTATION ? 1.BINARY NO. SYSTEM – 0 AND1 2.DECIMAL NO. SYSTEM – 0 TO 9 3.OCTAT NO. SYSTEM – 0 TO 7 4.HEXA DECIMAL NO. SYSTEM – 0 TO 9, A TO F

WHAT IS COMPUTERT MEMORY ? COMPUTER MEMORY IS ONE OF THE IMPORTANT PART