Answer:
Disadvantages of Batch Operating System:
- The computer operators should be well known with batch systems.
- Batch systems are hard to debug.
- It is sometime costly.
- The other jobs will have to wait for an unknown time if any job fails.
Answer: A) Phishing
Explanation:
Phishing is type of attack in computer field that is processed to hack or steal the data of authorized user.The attacker acts as trusted party and then interacts with the authorized user through email or messages to gain confidential information like pin code, credit card number, login details etc of that user.
- According to the question, colleague is experiencing phishing as he has been requested for pin-code and credit-card number from a wrong source behaving as authorized bank.
- Other options are incorrect because ransomware is attack that asks for ransom from authorized user for reviving their access. on system. Spoofing is falsifying as some other party to receive advantage.
- Mail poisoning is inclusion of inappropriate details in email such as invalid email address etc.
- Thus, the correct option is option(A).
Answer:
scoop1 - 10
Explanation:
If we want scoop2 to be 10 pixels less than scoop1, we can simply subtract 10 from scoop1 to get the needed value from scoop2.
Salutations!
<span>Which is an example of fixed expense?
Rent is an example of fixed expense, It doesn't matter whether you sell a widget or produce thousand of them, you must still pay the rent in any </span><span>circumstances.
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Hope I helped.
Aerodynamic- Wind turbine, computational fluid dynamics, and Wind power
Hydrodynamics- Computational Fluid Dynamics, Hydraulics, and Microfluidics
