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CSIT 120 Actual Exam | Q&A’s | Latest Update 2024
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CSIT 120 Actual Exam | Q&A’s | Latest Update 2024
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CSIT 120 Actual Exam | Q&A’s | LatestUpdate 2024
Chapter 4 - ANSWER
What are typical units that storage is measured in (ie Gigabytes). What is the
relationship between
the units. Which is smaller or larger - ANSWER Bytes
Least to Greatest
Kilo = 1,024
Mega = 1,048,576
Giga = 1,073,741,824
Tera = 1,099,511,627,776
Peta = 1,125,899,906,842,624
Exa = 1,152,921,504,606,846,976
Zeta = 1,180,591,620,717,411,303,424
Kilo is smaller than Giga
Know the different computer components and how that interact including booting (starting
up) a
computer - The picture with all of the blocks - ANSWER 1) BIOS test hardware
2) BIOS looks up MBR
3) OS is loaded into RAM
via Secondary Storage
(provides GUI)
4) Instructions sent to CPU
via Data Bus
, Slide 10 3 Stars
KNOW WHATS VOLATILE AND WHATS NOT!!!!!!!!
What is virtualization - The difference between a Host OS vs a Guest OS - ANSWER - Process
whereby multiple (guest) operating systems (OS) share the same hardware on a single
physical machine called a host
- Significantly increase the utilization of a computer. Many
times this technique is used in cloud computing data centers
- Many standalone servers operate at 20% utilization
- Virtualization increases utilization to 80%+
Difference Host OS VS Guest OS
Virtualization software (two functions / roles)
Host OS - Shares physical resources:
CPU, RAM, Networking, Secondary Storage
Guest OS (virtual machine) - Appears as a separate
independent computer on a host operating system. Guests who are consuming
4. What are the differences between thin and thick clients - ANSWER Thin Clients
- Acess it through Web Browser
- Does not require installation for initial or updates =
good (Google Docs)
-less featur instense = bad ....
Thick Client
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