🐧 Introduction to Linux
Linux is a powerful, open-source operating system (OS) based on the Linux kernel. It's used everywhere, from supercomputers and servers to mobile devices and embedded systems. Unlike proprietary operating systems like Windows or macOS, Linux's source code is freely available, which allows anyone to modify and distribute it.
💻 Overview of the Linux Operating System
The Linux OS is generally structured in several key layers:
* Hardware Layer: This is the physical machine,
1. How do defective-interfering (DI) particles contribute to persistent infections?
Defective-interfering (DI) particles are incomplete viruses that lack essential genes for full replication. They replicate only in the presence of a normal virus and compete with it for cellular resources. This reduces viral replication and cytopathic effects, allowing infected cells to survive and the virus to persist long-term.
2. Describe two PRR classes that sense viral nucleic acids and what they detect.
Toll-
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Concept |
Author(s) |
Exact / Course Definition |
Expanded Explanation |
Detailed Example (Exam-Ready) |
|
Panopticon |
Jeremy Bentham / Michel Foucault |
A design for a circular prison in which all inmates can be observed by a single guard without knowing when they are being watched. |
Concept illustrates visibility as a method of social control; the uncertainty produces self-regulation. |
CCTV in public spaces makes people behave as though they are constantly monitored. |
|
Panopticism |
A Flip-Flop is a basic sequential circuit used to store one bit of data (0 or 1). Unlike combinational circuits, the output of a flip-flop depends on:
• Present input • Previous output (memory) • Clock signal
Flip-flops are the building blocks of registers, counters, and memory units.
1. RS (Set-Reset) Flip-Flop:- RS flip-flop has two inputs: • S(Set) •R(Reset)
Working:- S = 1 → Output is set to 1
R = 1 → Output is reset to 0
S = R = 0 → No change
S = R = 1 → Invalid
The vi editor is a powerful and commonly used text editor in Linux and Unix systems. It is mainly used to create, edit, and manage text files such as configuration files, shell scripts, and program source code. vi works in different modes, which makes it efficient but slightly difficult for beginners.
1. Modes of vi Editor:- vi editor works in three main modes:
(a) Command Mode:- • Default mode when vi starts.
• Used for navigation, deleting text, copying, and saving files.
• Example commands:
Appeal under the Right to Information Act, 2005 – Section 19 Section 19 of the Act lays down the entire framework for first appeal, second appeal, timelines, powers, and procedure. First Appeal – Section 19(1) A first appeal lies to an officer senior in rank to the Central/State Public Information Officer (CPIO/ SPIO) within the same public authority. Grounds for First Appeal A person may file a first appeal when: 1.No decision is received within the time prescribed under Section 7(1) or Section
Conformity refers to a change in an individual’s behaviour, belief, or attitude due to real or imagined pressure from a group. People conform to be accepted by others or because they believe the group is correct. Solomon Asch’s line judgment experiment demonstrated that individuals often conform to group opinions even when the group is clearly wrong.
There are two main types of conformity. Normative conformity occurs when individuals conform to gain social