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WorksheetsMrs O's Computer Architecture Quiz
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following is false about the control unit?
a)
It controls the execution of programs.
b)
It times the fetching of instructions.
c)
It decodes instructions.
d)
Its performance is unaffected by processor speed.
2.
Which part of the processor processes and manipulates data?
a)
The registers
b)
The ALU
c)
The control unit
d)
Cache
3.
Which of these is one type of register?
a)
Program counter
b)
HLL counter
c)
RAM
d)
ROM
4.
Which of these buses is uni-directional?
a)
Data bus
b)
Address bus
5.
An address bus contains 16 lines. How many possible address locations are there?
a)
16
b)
32
c)
65, 536
d)
512
6.
Which of the following best answers the question:
Explain how cache improves system performance.
Explain how cache improves system performance.
a)
Cache uses a faster type of memory.
b)
Frequently used instructions are stored in cache.
c)
As cache is closer to the processor than RAM, fetches are completed in less time.
d)
Cache is located closer to the processor.
7.
Which of the following is true?
a)
Cache capacity is higher than RAM's.
b)
Cache cannot be changed; RAM can.
c)
Cache capacity is less than RAM.
d)
Cache cannot store the more frequently used instructions.
8.
Which of the following is NOT one of the control lines?
a)
Read
b)
Amend
c)
NMI
d)
Reset
9.
Which control line is responsible for sending out a message when the computer crashes and this message cannot be ignored?
a)
Reset
b)
NMI
c)
Interrupt
d)
Clock
10.
The time interval between pulses is called a _______ .
a)
clock cycle
b)
clock pulse
c)
processor interval
d)
control cycle
11.
The processor checks cache before RAM to see if the required information is already in the cache.
a)
True
b)
False
12.
Which of these buses is used to identify a memory location for reading or writing?
a)
The system bus
b)
The data bus
c)
The control bus
d)
The address bus
13.
Which of these is the second step in the MEMORY WRITE operation?
a)
CPU sets up the data bus by placing the value to be written in the Memory Data Register
b)
The control unit activates the write line on the control bus
c)
CPU sets up the address bus by placing the required memory address in the Memory Address Register
d)
The contents of the MDR are transferred to the required storage location in memory
Reset
