ITEC
625 Midterm Exam Answers
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Questions
Use the separate answer sheet that
has been provided.
1.
In a computer CPU where are the arithmetic calculations performed? arithmetic
logic unit
2.The
operating system is generally idling until it takes control when an
interrupt occurs. A second way
the operating system takes control is
when an application program issues a
__?.
3.
If you shift the bits of a binary integer to the left by three places the value
of the resulting binary number is how much bigger or smaller.
.
4.What
is the value of the following 1’s complement integer? 1110 1011
5. What number is encoded in this raster image?
0000000000
0000000000
0001111000
0001001000
0001111000
0000001000
0000001000
0001111000
0000000000
0000000000
- 6. The Unit of transfer between storage and cache memory is call _________
7.What is the value of the following
2’s complement number
1101 1011
8.What
technique is being utilized when a second instruction cycle is initiated before
the previous instruction has completed.
9.The
size (amount) of cache memory _____________as you get closer to the CPU.
10. You add two positive 2’s complement binary integers
in a 16 bit microprocessor. The result has a 1 in the leftmost
position. When this occurs it is called ________.
11. Express the base 10 number 21 in base 3 format.
12. After the LMC executes the instruction 640 what happens
next?
13. A single core or single CPU architecture can is able to
multi_________.
14. The program counter register contains what?
15.What is value of the 2’s complement integer 1001 1001?
16.Write the LMC instruction (in decimal format) that Stores
the contents of the accumulator at address location 25.
17. Moving data to and from memory always requires the use of
what two registers. ______________ and ____________
18.What technique allows you bypass the CPU when transferring
data from main memory to an I/O device.
19. The value 7 is stored at address 92 in the LMC.
What instruction adds this value to the value in the accumulator (calculator).
20. The LMC instruction 392 performs what type of function?
21.If you have a true color display using 8 bits for the
intensity of each primary color. How many colors can you create for the
display
22.What is a thread?
23.What part of the CPU is responsible for transferring
instructions from memory?
24. What type of bus architecture is used to connect DVDs to
the disk controller?
25. In a Shared-Nothing architecture the work is
partitioned through the division of _____________.
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