Online NAT ICS Computer Science Computer Test Preparation for Pakistani Students

NAT I Computer Science Computer

Sr. #	Questions	Answers Choice
1	Remak RX 32 three-axis servo robot fits machine up to	100 tons 200 tons 300 tons 400 tons
2	E-commerce involves:	Electronic funds transfer Orders management Online marketing All of the above
3	External modems	are expensive Have more operational features Offer high transmission speed All of the above
4	A modem	Converts analog signals into digital signals Converts  digital signals into analog signals Connects a computer in a LAN Both a and b above
5	All of the following are true of the simplex mode except	A sender can only send signals It is the most commonly used communication mode Receiver can only receiver signals
6	Propagation of signals across a communication medium is known as	Signaling Transmission Broadcasting Dissemination
7	In data communication the sender is also called	Object Source Sink Medium
8	A system in which data can be received and sent simultaneously is called	Simplex Half duplex Full-duplex Multi-duplex
9	The cables that consists of tubes of glass through which data are transmitted as pulses of light is	Twisted pair Coaxial cable Fiber optic None of the above
10	The fastest mode of data transmission is	Simplex Half duplex full-duplex None of the above