Question Discussion & Solution

The correct answer is All of the above.

Key Points

• Social engineering is the term used for a broad range of malicious activities accomplished through human interactions.
• It uses psychological manipulation to trick users into making security mistakes or giving away sensitive information. 
• A sniffing attack or a sniffer attack, in the context of network security, corresponds to theft or interception of data by capturing the network traffic using a sniffer.
• Spoofing is the act of disguising a communication from an unknown source as being from a known, trusted source. 

Additional Information

Some Common Hacking Techniques are:

• Phishing
• Bait and Switch Attack
• Key Logger
• Denial of Service (DoS\DDoS) Attacks
• ClickJacking Attacks
• Cookie Theft 

The correct answer is Ctrl + B.

Key Points

• Ctrl + B is the shortcut key to make the selected letters bold or unbold.
• Important Shortcut keys used in MS Word:
  • Cut the selected content to the Clipboard - Ctrl+X
  • Copy the selected content to the Clipboard - Ctrl+C
  • Paste the contents of the Clipboard -Ctrl+V
  • Increase the font size by 1 point.- Ctrl+]
  • Center the text - Ctrl+E.
  • Align the text to the left - Ctrl+L

The correct answer is Arithmetic Logic Unit.

Key Points

•  Register
  • A register is a quickly accessible location available to a computer's processor.
  • Registers usually consist of a small amount of fast storage.
  • Some registers have specific hardware functions and may be read-only or write-only.
• ​Arithmetic Logic Unit.
  • Arithmetic Logic Unit is a combinational digital circuit.
  • It performs arithmetic and bitwise operations on integer binary numbers.
  • ALU can be designed to perform complex functions.

Additional Information

• Central processing unit
  • It is the main processor or it is electronic circuitry that executes instructions comprising a computer program.
  • The CPU performs basic arithmetic logic, controlling, and input/output operations specified by the instructions in the program.
  • The individual physical CPU processor cores can also be multithreaded to create additional virtual or logical CPUs.
• Control Unit
  • The control unit is a component of a computer's central processing unit that directs the operation of the processor.
  • It tells the computer's memory, arithmetic logic unit.
  • The control unit may include a binary counter to tell the control unit's logic what step it should do.
• Memory unit
  • A memory unit is a component of a computer system.
  • It is used to store data, instruction and information.
  • It is also known as a main/primary/internal memory.
  • There are two types of memory-:
    1. Read only memory.
    2. Random-access memory.

The correct answer is Input, Process, Output, Storage

Key Points

• Input is the act of putting information into a computer.
• That information is now processed in the central processing unit of the computer.
• After the processing is completed, the computer generates the output of that information.
• The output data is now stored in the computer memory.

Additional Information

Some input and output devices of computer:

• Input
  • Keyboard
  • Mouse
  • Scanner 
• Output 
  • Printer 
  • Monitor
  • Plotter

The correct answer is ASCII.

Key Points

• The FAT (File Allocation Table) uses the traditional 8.3 file naming convention and all filenames must be created with the ASCII character set. 
• An 8.3 filename (also called a short filename or SFN) is a filename convention used by old versions of DOS and versions of Microsoft Windows prior to Windows 95 and Windows NT 3.5.
• It is also used in modern Microsoft operating systems as an alternate filename to the long filename for compatibility with legacy programs.
• The filename convention is limited by the FAT file system.
• Similar 8.3 file naming schemes have also existed on earlier CP/M, TRS-80, Atari, and some Data General and Digital Equipment Corporation minicomputer operating systems.

Additional Information

• ASCII abbreviated as American Standard Code for Information Interchange is a character encoding standard for electronic communication. 
• The Internet Assigned Numbers Authority (IANA) prefers the name US-ASCII for this character encoding.

• ASCII is one of the IEEE milestones.