IGCSE Computer Science Paper-1: Specimen Questions with Answers 129 - 132 of 164
Question 129
Explanation
Networking Computers facilitates sharing of files and devices such as printers that saves money.
The setup is usually expensive and may get easily infected by the viruses and malware.
Question 130
Write in Short
Short Answer▾Computer memories are measured in terms of the number of bytes. Define a Byte and a Gigabyte.
Explanation
A byte is used to represent 8-bits of data. It can hold about one letter, one number, or one special character.
Gigabyte: One Gigabyte is equivalent to 1024 megabytes are often used to measure storage capacity. A standard DVD can hold 4.7 gigabytes of data.
Question 131
Explanation
Blind Carbon Copy or Bcc allows recipients to be visible to all other recipients of the message.
- It also allows the sender of a message to conceal the recipient entered in the Bcc.
- It helps in indicating who the email is for exactly in case there is more than one recipient.
Question 132
Explanation
CAD or Computer-aided design is used to add creation, modification, analysis or optimization of a design. It improves and enhances the productivity of a design.
- It is widely used in the field of mechanics, interior design, engineering, architecture, electronics, modeling and animation.
- CAD is used for the purpose of automotive, aerospace, shipbuilding, consumer goods, machinery etc to create blueprints and designs that are going to be used later in the manufacturing of such structures.
- CAD is also used in the movies for the creation of special effects particularly for the purpose of TV commercials.
- Companies including small firms use CAD software to keep track of their day today business functions.
