ETEA

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#91 ___________ is the circuit which enable the CPU to communicate with disk drives.

A)   memory
B)   Disk controller
C)   Bus
D)   Port
Answer:   B

#92 ________ is the most commonly used port in modern computers for connecting a large variety of devices to the computer .

A)   USB
B)   PS/2
C)   Fire wire
D)   LPT1
Answer:   A

#93 which of the following cards facilitates the input and output of audio signals to and from a computer?

A)   video card
B)   modern card
C)   sound card
D)   network interface card
Answer:   C

#94 what does SIMM stand for ?

A)   System in-line memory module
B)   synchronous in-line memory module
C)   single in-line memory module
D)   serial in-line memory module
Answer:   C

#95 In which communication mode data can be sent and received in both directions but not at the same time ?

A)   Simplex
B)   Full-duplex
C)   Half-duplex
D)   duplex
Answer:   C

#96 ________ is a set of rules that governs data communications

A)   Message
B)   Sender
C)   Medium
D)   Protocol
Answer:   D

#97 ________ cable is formed of two insulated coper wires twisted together.

A)   Coaxial
B)   Fiber Optic
C)   CAT5
D)   Twisted Pair
Answer:   D

#98 which of the following network devices is used to forward data packets across different networks ?

A)   switch
B)   Router
C)   Gateway
D)   Modem
Answer:   B

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