A personal computer (PC) is a digital computer designed for use by only one person at a time. A typical personal computer assemblage consists of a central processing unit (CPU) two types of computer memory and various input/output devices, including a display screen, keyboard and mouse, modem, and printer.

Correct Option: B

A personal computer (PC) is a digital computer designed for use by only one person at a time. A typical personal computer assemblage consists of a central processing unit (CPU) two types of computer memory and various input/output devices, including a display screen, keyboard and mouse, modem, and printer.

The Atanasoff–Berry Computer (ABC) was the world’s first electronic digital computer, albeit not programmable. Atanasoff is considered to be one of the fathers of the computer. In late 1939, John Atanasoff teamed up with Clifford Berry to build a prototype. They created the first computing machine to use electricity, vacuum tubes, binary numbers and capacitors. The capacitors were in a rotating drum that held the electrical charge for the memory. The final product was the size of a desk, weighed 700 pounds, had over 300 vacuum tubes, and contained a mile of wire.

Correct Option: B

The Atanasoff–Berry Computer (ABC) was the world’s first electronic digital computer, albeit not programmable. Atanasoff is considered to be one of the fathers of the computer. In late 1939, John Atanasoff teamed up with Clifford Berry to build a prototype. They created the first computing machine to use electricity, vacuum tubes, binary numbers and capacitors. The capacitors were in a rotating drum that held the electrical charge for the memory. The final product was the size of a desk, weighed 700 pounds, had over 300 vacuum tubes, and contained a mile of wire.

Clip art, in the graphic arts, refers to pre-made images used to illustrate any medium. Today, clip art is used extensively in both personal and commercial projects, ranging from home-printed greeting cards to commercial candles. Clip art comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in an electronic form.

Correct Option: D

Clip art, in the graphic arts, refers to pre-made images used to illustrate any medium. Today, clip art is used extensively in both personal and commercial projects, ranging from home-printed greeting cards to commercial candles. Clip art comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in an electronic form.

A hierarchical database model is a data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships: each parent can have many children, but each child has only one parent.

Correct Option: B

A hierarchical database model is a data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships: each parent can have many children, but each child has only one parent.

A general-purpose database management system (DBMS) is a software system designed to allow the definition, creation, querying, update, and administration of databases. Well-known DBMSs include MySQL, Microsoft SQL Server, Oracle, SAP, etc. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation’s procedural language extension for SQL and the Oracle relational database.

Correct Option: C

A general-purpose database management system (DBMS) is a software system designed to allow the definition, creation, querying, update, and administration of databases. Well-known DBMSs include MySQL, Microsoft SQL Server, Oracle, SAP, etc. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation’s procedural language extension for SQL and the Oracle relational database.