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#101 ___________ is the circuit which enable the CPU to communicate with disk drives.
A) memory
B) Disk controller
C) Bus
D) Port
Answer: B
#102 ________ 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
#103 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
#104 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
#105 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
#106 ________ is a set of rules that governs data communications
A) Message
B) Sender
C) Medium
D) Protocol
Answer: D
#107 ________ cable is formed of two insulated coper wires twisted together.
A) Coaxial
B) Fiber Optic
C) CAT5
D) Twisted Pair
Answer: D
#108 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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