12 Flashcards
Who is considered as the first computer programmer?
Ada Augesta Lovelace
Which of the following technologies has been used in the Third Generation Computers?
Integrated Circuits (ICs)
“The data in …………………… is read by using the Laser technology.”
Compact Disk
2
1
In computer networks, acronym DHCP stands for
) Dynamic Host Configuration Protocol
Which of the following statements is correct about relational databases?
A foreign key of a table should be the primary key of another. table,
What is the function of a DNS in a Computer Network?
Translates domain names to IP addresses
The command that can be used to check the network configuration of a computer is
ipconfig
Human blood circulatory system can be classified as a
natural and closed system.
Which of the following best describes a non-functional requirement of a mobile phone?
Having one year warranty for the battery
An electronic washing machine can be best considered as a/an
Automated system
2
1
2
2
The network layer of the OSI reference model provides
routing of data packets.
The type of operating system that is most suitable for an automated air traffic control system is
real time
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4
5
5
3
3
5
1
3
The component that decodes the instructions fetched into the CPU is called the
Control Unit
Which of the following data storage devices provides the fastest random access?
Main memory
- A person employed in an overseas country placed an on-line order to deliver a birthday present to his mother
who is living in Sri Lanka, using the web-based services of a company. This transaction of ordering the birthday
present could be best classified as
Consumer to Business.
Which of the following is most cost effective and secure in transmitting private and confidential messages
and notices among the employees of an organization?
4
1
2
5
1
4
4
2
1
2
3
5
3
3
4
3
2
1
2
