Which of the following are of type Optical Disk:

Which of the following are of type Optical Disk:
A)  CD-ROM
B) WROM
C) CD-ROM and WORM
D) Zip disk

Answer - C) CD-ROM and WORM

Magnetic disk is a ___ storage device

The magnetic disk is a ___ storage device
A) Direct Access
B) Indirect Access
C) Random Access
D) None of these options.

Answer -  A) Direct Access

Modern magnetic tapes use 8 bit ____ code format for data recording

Morden magnetic tapes use 8-bit ____ code format for data recording
 A) EBCDIC
B) BCD
C) ASCII
D) All of these options

Answer -  A) EBCDIC

The calculations & decision making is done in

The calculation & decision making is done in
 A) Control Unit
B) ALU
C) RAM
D) Control Units and ALU

Answer -  B) ALU

___ is a non-volatile memory chip in which data once stored cannot be altered by programmer

Question. - ___ is a non-volatile memory chip in which data once stored cannot be altered by a programmer?

A) ROM
B) PROM
C) EPROM
D) ROM and PROM

Ans -  A) ROM

Print "Hello World" in C, C++ & JAVA

C Language :

 #include<stdio.h>
void main()
{
printf("Hello World");
}

C++ Language :

 #include<iostream.h>
void main()
{
cout<<"Hello World";
}

JAVA Language :

class A{
public static void main(String agr[])
{
System.out.println("Hello World");
}
}