71.
Which of the following is the product of data processing?

72.
Which one is not an input device?

73.
DNS in internet technology stands for

74.
Portable program means?

75.
Memories which can be read only are called __________.

76.
CPU controls _________.

77.
USB stands for ________?

78.
ALU stands for ________?

79.
CPU stands for ______ ?

80.
Which of the following holds the ROM, RAM, CPU?