Central Processing Unit (CPU), known as brain of a computer, consists of Arithmetic and Logic Unit (ALU). Storage Unit and Control Unit.

Pen drive is a small portable storage device that memorizes or receives data given by a computer as input. It makes a connection to the computer via a USB port and can transfer data to another computer device as output.

The default word processor for Microsoft Windows is Microsoft Word.

You can create up to four primary partitions on a basic disk. Each hard disk must have at least one primary partition where you can create a logical volume. Each primary partition can be used independently and contains its own file system. You can set only one partition as an active partition.

Single Network Management Protocol (SNMP), an internet standard protocol, is used for collecting information and configuring network devices-printers, hubs, routers, switches, firewalls, internet protocol (IP), load balancers, servers, CCTV cameras, and other wireless devices.

The Dynamic Host Configuration Protocol (DHCP), a client or server protocol often employed within private networks, such as home or business networks, is used to dynamically (automatically) assign IP addresses to host computers on a network running TCP/IP.

An IP address paired with a port number- an endpoint connecting one host to another is called a socket. A socket uniquely identifies a single network process within the entire Internet. 

ASCII (American Standard Code for Information Interchange) is a character encoding standard format for electronic communication. The ASCII is a standard which assigns alphabets, numbers, and other special characters in the slots available in the form of an 8-bit code which is created from the binary number system.

Advanced Encryption Standard AES is a data encryption standard endorsed by the U.S. National Institute of Standards and Technology (NIST) as a replacement for the Data Encryption Standard (DES). AES provides more security than DES for communications and commercial transactions over the Internet.

Word length of a computer is a byte which consists of 8 bits. The most common processors are 8 bit, 16 bit, 32 bit or 64 bit. All of which are also known as word lengths of the processor.