Which of the following devices have a limitation that we can only read it but can not erase or modify it ?

Related Mcqs:

The range of frequencies available for data transmission is known as_________________?

A. Bandwidth B. Bug C. Bus D. Bits...

Which of the following protects the system from hackers ?

A. Firewall B. Scanner C. Hub D. Snort...

A half byte is know is___________________?

A. Nibble B. Half byte C. Bit D. Data...

In computer programming, assigning of an initial value or to set , variables , counters, switches etc to their starting values at the beginning of a program or subprogram is called_________________?

A. Restart B. Initialize C. Release D. Rerun...

A flat metallic disk that contains a large amount of permanently stored information read optically is called a ____________________?

A. Monitor B. ALU C. CD-ROM D. RAM...