Question 1
(a) What is teleconferencing?
(b) State four uses of Automated Teller Machine (ATM).
(c) (i)Give the function of a modem.
(ii) List the two means of transmitting information.
Observation
The expected answers were:
- (a) Teleconferencing
is the live/real time exchange of information/text/audio among several persons at
different/remote locations linked by a telecommunication system/devices.
OR
teleconferencing is the use of remote telecommunication devices to hold discussions/meetings among participants in different locations.
(b) Uses of Automated Teller Machine
-cash withdrawal
-bill payment
-cash deposit
-fund transfer
-printing of mini statement
-checking account balance
-buying of airtime
-confirmation of account number
-shopping
-checking of BVN
-cardless transaction
-transaction receipt
-transaction acknowledgement
-cheque processing module
-updating passbook
(c) (i) Function of modem
-conversion of analog/digital (modulation) signal to digital/analog (demodulation)
signal.
-Internet Access
-file storage
-data compression
-error correction
-flow control
(ii) Means of transmitting information
-electronic
-non-electronic
The question required candidates’ knowledge on teleconferencing, uses of ATM and means of transmitting information.
It was reported that most of the candidates were able to define teleconferencing and also stated the uses of ATM. However, a good number of the candidates could not list means of transmitting information.