The floating point number will be demoted to an int, so 1 and 4 are fine. 2 is fine naturally, but 5 is invalid (2 params passed where 1 is expected).
Therefore option 3 is correct: <span>all of the options are legal except for 5</span>
Software that opens files and scans their code to look for certain types of malware is known as antivirus software.
An antivirus software is designed specifically to scan, detect and eliminate various kinds of malicious software from computers and laptops. Malicious software, short from is malware, is a broad term encapsulating any kind of intrusive software that can damage and destroy computer systems, networks and servers.
To get rid of the damage produced by malware attacks, antivirus comes into action and provides real-time protection. Once an antivirus has been installed, it starts working in the background. It regularly scans computer systems and servers against malware threats in order to block and delete malware codes or files.
Some variants of malware include viruses, Trojan horses, worms, spyware, ransomware, adware, scareware, rogue software, and wiper.
Therefore, antivirus is the software that opens the files and scans their code against various malware.
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In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
<h3>What does asterisk (*) mean in SQL?</h3>
The term means all columns. Note that The asterisk or star symbol ( * ) is a term that implies all columns in a given database.
Therefore, In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
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It is most likely D. There is no way that A is correct.
Answer:
Option B is correct.
CPU is used to fetch, decode and execute instructions. The CPU component used to perform this specific task is the Control Unit.
Explanation:
- The arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words.
It doesn't do floating point computations (That's for the Floating Point Unit (FPU)). This makes option A false.
- Principal components of a CPU include the arithmetic logic unit (ALU) that performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit that ***orchestrates the fetching (from memory) and execution of instructions*** by directing the coordinated operations of the ALU, registers and other components.
- Control Unit is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor.
It is not directly and expressly used to perform integer arithmetic and bitwise logic operations.