___________ is a device in data transmission to interface data terminal equipment to an analogue transmission line. A. RS 232 B. Connector C. Modem D. RJ-11 plug

___________ is a device in data transmission to interface data terminal equipment to an
analogue transmission line.
A. RS 232
B. Connector
C. Modem
D. RJ-11 plug
by

1 Answer

Answer :

C. Modem
by

Related questions

The primary purpose of the data modem is to A. interface analog terminal equipment to analog communications channel B. interface digital terminal equipment to analog communications channel C. interface analog terminal equipment to digital communications channel D. interface digital terminal equipment to digital communications channel

Description : The primary purpose of the data modem is to A. interface analog terminal equipment to analog communications channel B. interface digital terminal equipment to analog communications ... to digital communications channel D. interface digital terminal equipment to digital communications channel

Last Answer : B. interface digital terminal equipment to analog communications channel

The line control unit (LCU) operates on the data digital form. A. Data communications equipment (DCE) B. UART C. Modem D. Data terminal equipment (DTE)

Description : The line control unit (LCU) operates on the data digital form. A. Data communications equipment (DCE) B. UART C. Modem D. Data terminal equipment (DTE)

Last Answer : D. Data terminal equipment (DTE)

RS-232, RS-449, RS-530, V, 24 and X.21 are examples of ____________. A. standards for interfaces between modems and transmission facilities B. standards for various types of transmission channels C. standards for interfaces between terminals and modems D. standards for end to end performance of data communications system

Description : RS-232, RS-449, RS-530, V, 24 and X.21 are examples of ____________. A. standards for interfaces between modems and transmission facilities B. standards for various types of ... for interfaces between terminals and modems D. standards for end to end performance of data communications system

Last Answer : C. standards for interfaces between terminals and modems

Which of the following is not referred to as data terminal equipment? A. Telephone set B. Printers C. Modem D. Computer

Description : Which of the following is not referred to as data terminal equipment? A. Telephone set B. Printers C. Modem D. Computer

Last Answer : C. Modem

Modem is referred to as ______. A. Universal asynchronous Rx/Tx B. Data communication equipment C. Universal synchronous Rx/Tx D. Data terminal equipment

Description : Modem is referred to as ______. A. Universal asynchronous Rx/Tx B. Data communication equipment C. Universal synchronous Rx/Tx D. Data terminal equipment

Last Answer : B. Data communication equipment

Describe function of each pin of 9 pin RS 232 connector.

Description : Describe function of each pin of 9 pin RS 232 connector.

Last Answer : An RS232 pinout 9 pin cable features nine pins: 1. Data Carrier Detect (DCD or CD) - After a data terminal is detected, a signal is sent to the data set that is going to be transmitted ... occurs, the data terminal is alerted, but the RI will not stop the flow of serial data between devices.

Connector RJ-45 contains? a. Two pins b. Four pinsc. Eight pins d. Ten pins

Description : Connector RJ-45 contains? a. Two pins b. Four pins c. Eight pins d. Ten pins

Last Answer : c. Eight pins

Computers cannot communicate with each other directly over telephone lines because they usedigitalpulses whereas telephone lines useanalog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? A. Interface B. Modem C. Attenuation D. Teleprocessor E. None of the above

Description : Computers cannot communicate with each other directly over telephone lines because they usedigitalpulses whereas telephone lines useanalog sound frequencies. What is the name of the device which permits digital to analog ... A. Interface B. Modem C. Attenuation D. Teleprocessor E. None of the above

Last Answer : Modem

The device that converts computer output for transmission over telephone lines is called (1) interface (2) interpreter (3) modem (4) I/O port

Description : The device that converts computer output for transmission over telephone lines is called (1) interface (2) interpreter (3) modem (4) I/O port

Last Answer : modem

In __________ transmission, a unique SYNC character is transmitted at the beginning of each message. A. asynchronous B. synchronous C. digital D. analogue

Description : In __________ transmission, a unique SYNC character is transmitted at the beginning of each message. A. asynchronous B. synchronous C. digital D. analogue

Last Answer : B. synchronous

The RS – 232 interface

Description : The RS – 232 interface

Last Answer : interconnects data sets and the transmission circuits

In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off: a) Character Map Terminal b) Bit Map Terminal c) RS 232 C Terminal d) None of The Above

Description : In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off: a) Character Map Terminal b) Bit Map Terminal c) RS 232 C Terminal d) None of The Above

Last Answer : b) Bit Map Terminal

What is the data link protocol that is used in asynchronous transmission for transferring files from one computer to another? A. A modem B. X modem C. B modem D. C modem

Description : What is the data link protocol that is used in asynchronous transmission for transferring files from one computer to another? A. A modem B. X modem C. B modem D. C modem

Last Answer : B. X modem

What is the data link protocol that is used in asynchronous transmission for transferring files from one computer to another? A. A modem B. X modem C. B modem

Description : What is the data link protocol that is used in asynchronous transmission for transferring files from one computer to another? A. A modem B. X modem C. B modem

Last Answer : B. X modem

ECE Board Exam March 1996 The expander in a companding device provides ___________. A. greater amplification for low signal levelsB. less amplification for low signal levels C. greater amplification for high signal levels D. lesser pressure for transmission

Description : ECE Board Exam March 1996 The expander in a companding device provides ___________. A. greater amplification for low signal levels B. less amplification for low signal levels C. greater amplification for high signal levels D. lesser pressure for transmission

Last Answer : B. less amplification for low signal levels

These are used to connect non-ISDN equipment ot ISDN line. A. Digipeaters B. Terminal adapters C. Local repeaters D. Terminal repeaters

Description : These are used to connect non-ISDN equipment ot ISDN line. A. Digipeaters B. Terminal adapters C. Local repeaters D. Terminal repeaters

Last Answer : B. Terminal adapters

Data aresent over pin _____ of the EIA-232 interface. A. 2 B. 3 C. 4 D. All of theabove

Description : Data aresent over pin _____ of the EIA-232 interface. A. 2 B. 3 C. 4 D. All of theabove

Last Answer : 2

Characteristics impedance of a transmission line is the impedance measured at the ___________ when its length is infinite. A. input B. shorted end of the line C. output D. midsection

Description : Characteristics impedance of a transmission line is the impedance measured at the ___________ when its length is infinite. A. input B. shorted end of the line C. output D. midsection

Last Answer : A. input

If the terminating impedance is exactly equal to the characteristic impedance of the transmission line the return loss is ___________. A. zero B. one C. infinite D. None of these

Description : If the terminating impedance is exactly equal to the characteristic impedance of the transmission line the return loss is ___________. A. zero B. one C. infinite D. None of these

Last Answer : C. infinite

Which of the following statement is correct? a. terminal section of a synchronous modem contains the scrambleb. receiver section of a synchronous modem contains the scrambler c. transmission section of a synchronous modem contains the scrambler d. control section of a synchronous modem contains the scrambler e. none of the abover

Description : Which of the following statement is correct? a. terminal section of a synchronous modem contains the scrambler b. receiver section of a synchronous modem contains the scrambler c. transmission section of ... d. control section of a synchronous modem contains the scrambler e. none of the above

Last Answer : transmission section of a synchronous modem contains the scrambler

ECE Board Exam March 1996 What is the number of pins in the RS-232C interface? A. 25 B. 15 C. 20 D. 20

Description : ECE Board Exam March 1996 What is the number of pins in the RS-232C interface? A. 25 B. 15 C. 20 D. 20

Last Answer : A. 25

ECE Board Exam March 1996 The standard that specifies a balanced interface cable that will operate bit rates up to 10 Mbps with in a span distances up to 1200 m. A. RS-423A B. RS-422A C. RS-550A D. RS-449A

Description : ECE Board Exam March 1996 The standard that specifies a balanced interface cable that will operate bit rates up to 10 Mbps with in a span distances up to 1200 m. A. RS-423A B. RS-422A C. RS-550A D. RS-449A

Last Answer : B. RS-422A

Refers to the first generation of local loop system in telecommunication technology. A. GSM B. DECT C. Analogue cellular D. TACS

Description : Refers to the first generation of local loop system in telecommunication technology. A. GSM B. DECT C. Analogue cellular D. TACS

Last Answer : C. Analogue cellular

What is the channel bandwidth of a standard analogue telephone system? A. 300-500 Hz B. 1200 kHz C. 100-300 Hz D. 300-3400 Hz

Description : What is the channel bandwidth of a standard analogue telephone system? A. 300-500 Hz B. 1200 kHz C. 100-300 Hz D. 300-3400 Hz

Last Answer : D. 300-3400 Hz

Transmission lines are either balanced or unbalanced with respect to _________. A. negative terminal B. input C. ground D. positive terminal

Description : Transmission lines are either balanced or unbalanced with respect to _________. A. negative terminal B. input C. ground D. positive terminal

Last Answer : C. ground

What is the other name for LAN Card ? 1) NIC 2) Network Connector 3) MODEM 4) Internet Card

Description : What is the other name for LAN Card ? 1) NIC 2) Network Connector 3) MODEM 4) Internet Card

Last Answer : 1) NIC

What is the other name for LAN Card ? 1 NIC 2 Network Connector 3 MODEM 4 Internet Card

Description : What is the other name for LAN Card ? 1 NIC 2 Network Connector 3 MODEM 4 Internet Card

Last Answer : 1 NIC

A device that radiates electromagnetic energy and or intercepts electromagnetic radation. A. Antenna B. Transmitter C. Transmission line D. Transceiver

Description : A device that radiates electromagnetic energy and or intercepts electromagnetic radation. A. Antenna B. Transmitter C. Transmission line D. Transceiver

Last Answer : A. Antenna

Professional Regulations Commission was created under ______. A. PD 323 B. PD 223 C. PD 232 D. RA 223

Description : Professional Regulations Commission was created under ______. A. PD 323 B. PD 223 C. PD 232 D. RA 223

Last Answer : B. PD 223

ECE Board Exam March 1996 The letter-number designation B8E is a form of modulation also known as ___________. A. pilot carrier system B. independent sideband emission C. lincomplex D. vestigial sideband transmission

Description : ECE Board Exam March 1996 The letter-number designation B8E is a form of modulation also known as ___________. A. pilot carrier system B. independent sideband emission C. lincomplex D. vestigial sideband transmission

Last Answer : B. independent sideband emission

What is the insertion loss of connector-type splices for a single mode fiber optics? a. 0.51dB b. 0.31dB c. 0.49dB d. 0.38dB

Description : What is the insertion loss of connector-type splices for a single mode fiber optics? a. 0.51dB b. 0.31dB c. 0.49dB d. 0.38dB

Last Answer : d. 0.38dB

What is the insertion loss of connector type splices for a single mode optical fiber? A. 0.51 dB B. 0.49 dB C. 0.31 dB D. 0.38 db

Description : What is the insertion loss of connector type splices for a single mode optical fiber? A. 0.51 dB B. 0.49 dB C. 0.31 dB D. 0.38 db

Last Answer : D. 0.38 db

Which coaxial connector is a more complex and expensive but do a better job in maintaining the electrical characteristics of the cable through the interconnections? A. N-type connector B. F-type connector C.BNC D. PL-259

Description : Which coaxial connector is a more complex and expensive but do a better job in maintaining the electrical characteristics of the cable through the interconnections? A. N-type connector B. F-type connector C.BNC D. PL-259

Last Answer : A. N-type connector

Which coaxial cable connector is least expensive and is widely used for TV sets,VCRs and cable TV? A. N-type connector B. F-type connector C. BNC D. PL-259

Description : Which coaxial cable connector is least expensive and is widely used for TV sets,VCRs and cable TV? A. N-type connector B. F-type connector C. BNC D. PL-259

Last Answer : B. F-type connector

What connector is popular in attaching test instruments like oscilloscopes, frequency counters, spectrum analyzers, etc? A. UHF connector B. PL-259 C. BNC D. SMA

Description : What connector is popular in attaching test instruments like oscilloscopes, frequency counters, spectrum analyzers, etc? A. UHF connector B. PL-259 C. BNC D. SMA

Last Answer : C. BNC

Which of the following coaxial cable connectors is called the UHF connector? A. PL-259 B. BNC C. N-type connector D. F connector

Description : Which of the following coaxial cable connectors is called the UHF connector? A. PL-259 B. BNC C. N-type connector D. F connector

Last Answer : A. PL-259

Insertion loss of connector-type splices for a single-mode fiber cable. A. 0.2 dB B. 0.3 dB C. 0.09 dB D. 0.38 dB

Description : Insertion loss of connector-type splices for a single-mode fiber cable. A. 0.2 dB B. 0.3 dB C. 0.09 dB D. 0.38 dB

Last Answer : D. 0.38 dB

Who is responsible in the correctness and accuracy of transmitted information content over a data communication? A. The channel B. The transmitter and receiver C. The modem D. The bridge

Description : Who is responsible in the correctness and accuracy of transmitted information content over a data communication? A. The channel B. The transmitter and receiver C. The modem D. The bridge

Last Answer : B. The transmitter and receiver

Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem

Description : Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem

Last Answer : C. Transmitter, channel and receiver

A system that performs parallel-to-serial and serial-to-parallel conversion of data link. A. DCE B. DTE C. Modem D. PC

Description : A system that performs parallel-to-serial and serial-to-parallel conversion of data link. A. DCE B. DTE C. Modem D. PC

Last Answer : B. DTE

The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Description : The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Last Answer : D. Modem

___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter

Description : ___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter

Last Answer : A. Psophometer

The transfer of data from a CPU to peripheral devices of computer is achieved through ________ A. Modem B. Interface C. Buffer D. I/O Ports

Description : The transfer of data from a CPU to peripheral devices of computer is achieved through ________ A. Modem B. Interface C. Buffer D. I/O Ports

Last Answer : D. I/O Ports

The use of telecommunication for the transmission of signals to initiate, modify or terminate functions of equipment at a distance. A. Tracking B. space command C. Telecommand D. Trunking

Description : The use of telecommunication for the transmission of signals to initiate, modify or terminate functions of equipment at a distance. A. Tracking B. space command C. Telecommand D. Trunking

Last Answer : C. Telecommand

The use of telecommunication for the transmission of signals to initiate, modify or terminate functions of equipment at a distance. A. Tracking B. Telemetry C. Telecommand D. Space telemetry

Description : The use of telecommunication for the transmission of signals to initiate, modify or terminate functions of equipment at a distance. A. Tracking B. Telemetry C. Telecommand D. Space telemetry

Last Answer : C. Telecommand

In microcontroller and LCD interface which line will instruct the LCD that microcontroller is sending data? a) DB0 b) RW c) EN d) RS

Description : In microcontroller and LCD interface which line will instruct the LCD that microcontroller is sending data? a) DB0 b) RW c) EN d) RS

Last Answer : d) RS

Rules governing the transmission of digital information. A. Line protocol B. Isochronous C. Data communications D. Digital communications

Description : Rules governing the transmission of digital information. A. Line protocol B. Isochronous C. Data communications D. Digital communications

Last Answer : B. Isochronous

ECE Board Exam March 1996 What is the transmission rate of a system for transmitting the output of a microcomputer to a line printer operating at a speed of 30 lines/minute? Assume that the line printer has 8 bits of data per character and prints out 80 characters/line. A. 800 bps B. 400 bps C. 320 bps D. 640 bps

Description : ECE Board Exam March 1996 What is the transmission rate of a system for transmitting the output of a microcomputer to a line printer operating at a speed of 30 lines/minute? Assume that the line printer has 8 bits ... and prints out 80 characters/line. A. 800 bps B. 400 bps C. 320 bps D. 640 bps

Last Answer : C. 320 bps

Which of the following signal is not standard RS-232-C signal? a. VDR b. RTS c. CTS d. DSR

Description : Which of the following signal is not standard RS-232-C signal? a. VDR b. RTS c. CTS d. DSR

Last Answer : VDR

ECE Board Exam March 1996 The K-factor under normal atmospheric conditions in a microwave radio data profile calculation is equal to ___________. A. 2/3 B. 0 C. 4/3 D. Infinity

Description : ECE Board Exam March 1996 The K-factor under normal atmospheric conditions in a microwave radio data profile calculation is equal to ___________. A. 2/3 B. 0 C. 4/3 D. Infinity

Last Answer : C. 4/3