Solve 2011 CBSE : IT Systems (Theory) Set II question paper
1. Explain the follwoing abbrevations and write a brief descriptions about each: 5
2. Fiil in the blank with suitable words(s): 5
(a) BIOS is built into the — (memory) chips of a computer.
(b) Files when deleted in windows are moved to —.
(c) 1 Gigabyte (GB)=—MB.
(d) Connecting/ linking two more computers other computing device together is called —.
(e) — is the protocol for transferring files to and from a host computer.
(f) A — is a secret word or string of characters that is used for authenification of person.
(g) — is used for factory automation.
3. Answer the following questions very briefly: 12
(a) What is a control unit in Computer
(b) How in window task bar can be hidded or displayed ?
(c) How Multimedia setting can be changed in windows ?
(d) Write DOS command with example for making directory ?
(e) What is Robotics ?
(f) What is digital Signature ?
(g) What is CPU ?
(h) How repeater and gateway paly important role in computer networking ?