Data Communication

The voice channel has a bandwidth of:

• (A) 0-2 KHz
• (B) 0-4 KHz
• (C) 5-10 KHz
• (D) 10-20 KHz

Check Answer

---

Data is transmitted character by character in:

• (A) Synchronous mode
• (B) Asynchronous mode
• (C) Remote communication
• (D) Satellite mode

Check Answer

---

All of the following Communication media except are:

• (A) Fiber-Optic Cable
• (B) Wire Cable
• (C) Coaxial Cable
• (D) Satellite-based, Microwave Communication

Check Answer

---

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

Check Answer

---

Communication between a computer and keyboard involves ________ transmission.

• (A) Half duplex
• (B) Full-duplex
• (C) Simplex
• (D) Automatic

Check Answer

---

The encoding scheme of data represent as:

• (A) EBCDIC code
• (B) ASCII code
• (C) Unicode
• (D) All of the above

Check Answer

---

The ________ is the physical path over which a message travels.

• (A) Single
• (B) Double
• (C) Protocol
• (D) Medium

Check Answer

---

Following devices are used in simplex mode:

• (A) Radio
• (B) Television
• (C) Both A & B
• (D) Multiplexers

Check Answer

---

The characteristics of analog carrier waves are:

• (A) Binary numbers
• (B) Frequency
• (C) Amplitude
• (D) Both B & C

Check Answer

---

A fibre-optic cable consists of tubes of:

• (A) Mirror
• (B) Glass
• (C) Rubber
• (D) Wooden

Check Answer

---