WorksheetsJ277 - 1.1 Systems Architecture MCQs 3
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Data and instructions in use are stored in the:
a)
Processor
b)
Embedded system
c)
Hard Disk Drive
d)
Main memory
2.
Moore’s Law predicted…
a)
That the number of transistors on a circuit board would double ever year
b)
Computers would be capable of thinking and learning for themselves by 2020
c)
That the number of cores on a processor would double every year
d)
The performance increase of computers would eventually halt in 2020
3.
What component holds the address of the next instruction?
a)
Memory Address Register
b)
Memory Data Register
c)
Program Counter
d)
Accumulator
4.
Results of calculations are held in this register:
a)
Memory Address Register
b)
Memory Data Register
c)
Program Counter
d)
Accumulator
5.
This holds the instruction/data temporarily after it is brought to the processor from the<br />main memory
a)
Memory Address Register
b)
Memory Data Register
c)
Program Counter
d)
Accumulator
6.
This holds the number of the current instruction being worked on
a)
Memory Address Register
b)
Memory Data Register
c)
Program Counter
d)
Accumulator
7.
This would perform an operation including the word “And”
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
8.
This would send a signal such as “Memory Read”
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
9.
This would reduce the number of memory/processor transfers
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
10.
This sends signals such as “I/O Read”
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
11.
This sends signals such as “Memory write”
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
12.
This doesn’t happen during the fetch part of the cycle:
a)
Address Bus is used
b)
Program Counter increments by one
c)
Arithmetic operations are performed
d)
Main Memory is addressed
13.
This doesn’t happen during the decode/execute part of the cycle:
a)
Current instruction is held in the CU
b)
Results are held in the Accumulator
c)
Status Register updated
d)
Instructions are transferred from main memory
14.
What is held in ROM?
a)
Data currently in use
b)
Bootstrap loader
c)
Instructions frequently used
d)
Operating System
15.
Which component generates addresses?
a)
Processor
b)
Main memory
c)
Control Unit
d)
Secondary storage
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