COMPUTER | MCQs

Explanation

When you turn on your computer, it will check the control files:

• (Command.com) (Command Interpreter)
• io.sys (Input/Output System file)
• msdos.sys (MS-DOS System file)

Explanation

Machine language is the lowest-level programming language, consisting of binary code that a computer's processor can execute directly. The basic components of a machine language program are:

• Instructions: These are the fundamental commands that a computer's processor can execute, such as move data, perform arithmetic operations, jump to a location, etc. Instructions are represented as binary codes, such as 0s and 1s.

Explanation

• In a Star Network Topology, each network node (computer, printer, etc.) is connected to a central device called a hub or switch.
• This central device acts as a connection point for all the nodes, and data transmission occurs through it. 
• This topology is called a star topology because the connections resemble a star, with the hub at the center and the nodes at the points.

Explanation

Telnet is a text-based computer protocol that allows users to remotely access and manage a computer or network device. It uses a command-line interface (CLI) to send and receive text-based commands and responses. Telnet is a client-server protocol, where the user's device acts as the client and the remote device acts as the server.

Telnet is typically used for:

• Remote access to servers, routers, and other network devices
• Command-line interface (CLI) access to network devices
• Troubleshooting and debugging network connections
• Remote execution of commands and scripts

Explanation

Explanation

• A box that contains multiple hard disk drives is called a Hard disk array.
• This term is often used to describe a collection of hard disk drives that are combined to provide improved data storage and redundancy.

Explanation

Byte is made up of array of bits.

Explanation

Computers are used in offices to reduce labor and to reduce time consumption.

Explanation

A type of network that is connected by physical switches is called a Switched Network.

Explanation

Secure your computer physically by Installing reliable, reputable security and anti-virus software.