Topic 1
This method of introducing a new system is sometimes known as flicking the switch
What is direct changeover?
This non-volatile form of memory generally stores the bootstrap loader. Plays a critical part in booting up or starting up, your computer.
What is ROM?
Using wires and/or wireless signals, this is the name for a group of interconnected computers limited to a small region such as a school or office.
What is a LAN (Local Area Network)?
This type of testing is done by a sample of potential users just before software is released.
What is beta testing?
This part of the CPU is responsible for coordinating the other components.
What is the Control Unit?
This is an agreed set of rules for interpreting bits that allows computers to communicate.
What is a protocol?
This graphical representation of a planned system helps the developer to show the user what is being proposed and allows the user to give feedback at an early stage.
This function of operating systems enables the execution of multiple processes at the same time in the computer system. Shares the same memory space among different processes to perform many tasks at a particular memory space.
What is memory management?
This is a unique identifier assigned to a network card that can be used by network administrators to allow or restrict access to a network.
What is a MAC address?
With this model, instead of buying and installing software locally, an organization leases access to software that is hosted and managed remotely through clouds.
What is Software-as-a-Service (SaaS)?
What is 7A?
This is a method by which a group of hosts can communicate securely by establishing an encrypted connection across the Internet known as a tunnel.
What is a VPN?
This method of avoiding system outages and data loss involves having a fully working clone of the system on standby.
What is redundancy?
This boolean operator has the following truth table.
A B Output
0 0 1
0 1 1
1 0 1
1 1 0
What is NAND?
This is a network architecture in which every host is connected to every other, and there is no central server.
What is P2P (peer-to-peer)?