1. ALU stands for
(A) American Logic Unit
(B) Alternate Local Unit
(C) Alternating Logic Unit
(D) Arithmetic Logic Unit

2. A Personal Computer uses a number of chips mounted on a circuit board called
(A) Microprocessor
(B) System Board
(C) Daughter Board
(D) Mother Board

3. Computer Virus is a
(A) Hardware 
(B) Bacteria
(C) Software 
(D) None of these

4. Which one of the following is correct?
(A) (17)10 = (17)16
(B) (17)10 = (17)8
(C) (17)10 = (10111)2
(D) (17)10 = (10001)2

5. The file extension of MS-Word document in Office 2007 is _______.
(A) .pdf 
(B) .doc
(C) .docx 
(D) .txt

6. _______ is a protocol used by e-mail clients to download e-mails to your computer.
(A) TCP