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Centennial College *
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Civil Engineering
Date
Dec 6, 2023
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Name: Habiyaremye sangwa steven
Major: civil engineering
Number. 2017904114
1.
Why is it important to have large amounts of RAM in a computer system?
(a) RAM continues to be less expensive than hard disk memory.
(b) Multitasking and large programs run slowly if there is insufficient RAM.
(c) You cannot load and execute a program unless there is sufficient RAM to hold all of a
program's CPU instructions.
(d) Programs cannot access files unless the entire file is first loaded into RAM.
-B--------------------------------------------------------------
2.
Consumer demand for more powerful desktop computers continues to grow at a rapid pace,
keeping up with the technological advances predicted by Moore's Law.
If a user purchased a state-of-the-art computer 18 months ago, what should such a user expect
to pay for a computer today that is twice as powerful as the computer that is now 18 months
old?
(a) Approximately half the amount of money paid for the old computer
(b) Approximately three times the amount of money paid for the old computer
(c) Approximately the same amount of money paid for the old computer
(d) Approximately twice the amount of money paid for the old computer
--------------C------------------------------------------------------------------
3.
According to Parkinson's Law of Data, additional memory
(a) results in decreased use of memory
(b) requires the CPU to run programs faster
(c) encourages the use of memory intensive techniques
(d) always requires additional RAM
----------------C----------------------------------------------------------------
4.
What is the general term used to describe the process of recoding data so that it requires
fewer bytes of storage space?
(a) Rationing
(b) Data compression
(c) Encoding
(d) Run length encoding
--------------B------------------------------------------------------------------
5.
If Moore's Law holds true for disk capacities and if the largest disk currently available is 10GB,
what is predicted to be the largest disk capacity six years from now, assuming an 18 month cycle
to double capacity?
(a) 640 GB
(b) 100 GB
(c) 60 GB
(d) 160 GB
---------D-----------------------------------------------------------------------
6.
Which of the following areas of computer technology does Moore's Law impact in some way?
I Cost of software
II Processor speeds
III Amount of RAM on a chip
(a) I and II only
(b) II and III only
(c) I and III only
(d) I, II, and III
-----------B---------------------------------------------------------------------
7.
Which of the following create performance bottlenecks?
I Disk access speed is too slow when compared to CPU processing speed.
II RAM access speed is too slow when compared to CPU processing speed.
III Bus transfers to network cards and video cards are too slow when compared to CPU processing
speed.
(a) I and II only
(b) I, II, and III
(c) I and III only
(d) II and III only
-------------------B-------------------------------------------------------------
8.
Which of the following is (are) true regarding bottlenecks that degrade the performance of a
computer system?
I Slow transfer of data between components in a system constitutes a bottleneck.
II A slow video card can constitute a bottleneck for graphics applications.
(a) I only
(b) II only
(c) I and II
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