The voice channel has a bandwidth of:
- (A) 0-2 KHz
- (B) 0-4 KHz
- (C) 5-10 KHz
- (D) 10-20 KHz
- (B) 0-4 KHz
Data is transmitted character by character in:
- (A) Synchronous mode
- (B) Asynchronous mode
- (C) Remote communication
- (D) Satellite mode
- (B) Asynchronous mode
All of the following Communication media except are:
- (A) Fiber-Optic Cable
- (B) Wire Cable
- (C) Coaxial Cable
- (D) Satellite-based, Microwave Communication
- (D) Satellite-based, Microwave Communication
Which of the following cable is comprised of two separate insulated copper wires that are twisted?
- (A) Fiber optics
- (B) Twisted pair wire
- (C) Coax
- (D) Submarin
- (B) Twisted pair wire
Communication between a computer and keyboard involves ________ transmission.
- (A) Half duplex
- (B) Full-duplex
- (C) Simplex
- (D) Automatic
- (C) Simplex
The encoding scheme of data represent as:
- (A) EBCDIC code
- (B) ASCII code
- (C) Unicode
- (D) All of the above
- (D) All of the above
The ________ is the physical path over which a message travels.
- (A) Single
- (B) Double
- (C) Protocol
- (D) Medium
- (D) Medium
Following devices are used in simplex mode:
- (A) Radio
- (B) Television
- (C) Both A & B
- (D) Multiplexers
- (C) Both A & B
The characteristics of analog carrier waves are:
- (A) Binary numbers
- (B) Frequency
- (C) Amplitude
- (D) Both B & C
- (D) Both B & C
A fibre-optic cable consists of tubes of:
- (A) Mirror
- (B) Glass
- (C) Rubber
- (D) Wooden
- (B) Glass