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DATA AND DIGITAL COMMUNICATION MODULE 1

Total questions: 15

Worksheet time: 3mins

Name
Class
Date
1.

This is one of the oldest forms of long-distance communication for transmitting information. they were used first used in 200 BC to send messages along the Great Wall of China

a)

Semaphore Flag

b)

Smoke SIgnal

c)

Carrier Pigeon

d)

Pony Express

2.

It revolutionized long-distance communication by sending electric signals (Morse code) in between two (2) stations

a)

Telegraph

b)

Telephone

c)

Radio

d)

Semaphore Flag

3.

This generation uses analog wireless technology in communications, developed in 1980

a)

4G

b)

5G

c)

2G

d)

1G

4.

The key technologies that have made in this generation are Multiple Input Multiple Output (MIMO) and Orthogonal Frequency Division Multiplexing (OFDM).

a)

4G

b)

5G

c)

3G

d)

2G

5.

It is a piece of information that can be analog or digital. It can be in the form of a number, character, text, audio, or video. It can be created, deleted, stored, or transferred.

a)

Signal

b)

Data

c)

Message

d)

Information

6.

Type of data which refers to continuous information

a)

Digital Data

b)

Analog Data

c)

Multiple Data

d)

Unli Data

7.

It is a collection of data treated as a unit by a computer.

a)

Signal

b)

Data

c)

File

d)

Character

8.

It is a mathematical representation of the conditions and parameters affecting the transmission and processing of information.

a)

Data Communication

b)

Analog Communication

c)

Digital Communication

d)

Information Theory

9.

It refers to the exchange of data between a source and a receiver in a network. It enables the movement of electronic or digital data between two (2) or more nodes, regardless of geographical location, technological medium, or data contents.

a)

Analog Communication

b)

Data Communication

c)

Information Theory

d)

Digital Communication

10.

It is the user of the information generated by the source

a)

Sink

b)

Transmitter

c)

Source Encoder

d)

Data Encoder

11.

It converts the information into an electrical form called message signal

a)

Transmitter

b)

Sink

c)

Source encoder

d)

Receiver

12.

These are the physical or logical layouts of devices that belong in a network.

a)

Network Typology

b)

Network Topology

c)

Network communication

d)

Network devices

13.

It is formed by connecting multiple buses to form a system of branching links with no closed loop.

a)

Star Topology

b)

Tree topology

c)

Bus topology

d)

Ring topology

14.

These are networks that interconnect devices within the reach of an individual, usually within a range of 10 meters.

a)

Metropolitan Area Network

b)

Wide Area Network

c)

Personal Area Network

d)

Local Area Network

15.

It is a telecommunications network that extends over a large geographic area for the primary purpose of computer networking. computer communications network that spans cities, countries, and the globe

a)

Wide Area Network

b)

Personal Area Network

c)

Local Area Network

d)

Metropolitan Area Network