NEW
Font size
S
M
L
XL
WorksheetsAll Computer Architecture Q
Total questions: 37
Worksheet time: 12mins
Name
Class
Date
1.
Processors have a speed measured in (1-4)
a)
Bytes
b)
Bits
c)
Hertz
d)
Seconds
2.
Data and Instructions in use are stored in the: (1-4)
a)
Embedded System
b)
Main Memory
c)
Processor
d)
Hard Disk Drive
3.
Typical processor speed of 2016: (1-4)
a)
4GHz
b)
100MHz
c)
300GHz
d)
16Hz
4.
What doesn’t affect the performance of the computer (1-4)
a)
Clock Speed
b)
The number of instructions in the program
c)
Cache Size
d)
Number of Cores
5.
If the number of cores goes up from 2 to 4 – what is the exact effect on performance? (1-4)
a)
Performance decreases
b)
The maximum number of instructions executed per second is halved
c)
The maximum number of instructions executed per second quadruples
d)
The maximum number of instructions executed per second doubles
6.
If the processing speed goes up from 1GHZ to 4GHZ – what is the exact effect on the performance of the computer? (1-4)
a)
The maximum number of instructions executed per second is quartered
b)
The maximum number of instructions executed per second quadruples
c)
The maximum number of instructions executed per second is halved
d)
The maximum number of instructions executed per second doubles
7.
If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 2 to 4 – what is the exact effect on the performance of the computer? (5-6)
a)
The maximum number of instructions executed per second is halved
b)
The maximum number of instructions executed per second doubles
c)
The maximum number of instructions executed per second is quartered
d)
The maximum number of instructions executed per second quadruples
8.
If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer? (5-6)
a)
The number of instructions executed per second stays the same
b)
The number of instructions executed per second quadruples
c)
The number of instructions executed per second doubles
d)
The number of instructions executed per second is halved
9.
Firmware in which software and hardware are integrated on a circuit board is often used in what type of system? (5-6)
a)
Desktop System
b)
Embedded System
c)
Point of Sales System
d)
Operating System
10.
Which is an example of an Embedded System: (1-4)
a)
Tablets
b)
Washing Machine
c)
Laptops
d)
PCs
11.
Processors don’t do the following (1-4)
a)
Execute Data
b)
Operate in Hz
c)
Execute Instructions
d)
Process Data
12.
The part of a processor in which instructions are executed is known as? (1-4)
a)
Core
b)
Execution
c)
Instruction Centre
d)
Centre
13.
What acts as an intermediary between the processor and the Main Memory? (6-9)
a)
Clock
b)
User
c)
Cache
d)
Bus
14.
What is held in cache? (5-6)
a)
Commonly used instructions and data
b)
All of the programming instructions
c)
Data that hasn’t been used for a long time
d)
Instructions that have been processed
15.
Moore’s Law? (7-9)
a)
The performance increase of computers would eventually halt in 2020
b)
Predicted that the number of transistors on a circuit board would double ever year
c)
Computers would be capable of thinking and learning for themselves by 2020
d)
That the number of cores on a processor would double every year
16.
If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6)
a)
Doubled
b)
Eight Times faster
c)
Quadrupled
d)
Sixteen times faster
17.
If the processing speed goes up from 2GHZ to 4GHZ and the numberof cores goes from 1 to 4 – what is the exact effect on the performance of thecomputer? (5-6)
a)
Doubled
b)
Quadrupled
c)
Eight Times faster
d)
Sixteen times faster
18.
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer?(5-6)
a)
Sixteen times faster
b)
Eight Times faster
c)
Doubled
d)
Quadrupled
19.
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 8 – what is the exact effect on the performance of the computer? (5-6)
a)
Thirty Two times faster
b)
Sixty Four times faster
c)
Eight Times faster
d)
Sixteen times faster
20.
What component holds the address of the next instruction (7-9)
a)
Program Counter
b)
Memory Address Register
c)
Memory Data Register
d)
Accumulator
21.
Results of calculations are held in this register: (7-9)
a)
Memory Address Register
b)
Memory Data Register
c)
Accumulator
d)
Program Counter
22.
This holds the instruction/data temporarily after it is brought to the processor from the main memory (7-9)
a)
Accumulator
b)
Memory Data Register
c)
Program Counter
d)
Memory Address Register
23.
This holds the number of the current instruction being worked on (7-9)
a)
Memory Data Register
b)
Program Counter
c)
Memory Address Register
d)
Accumulator
24.
This would perform an operation including the word “And” (5-7)
a)
Accumulator
b)
Cache
c)
Arithmetic Logic Unit
d)
Control Unit
25.
This would send a signal such as “Memory Read” (5-7)
a)
Control Unit
b)
Cache
c)
Accumulator
d)
Arithmetic Logic Unit
26.
This would perform an operation such as 5+8 (1-4)
a)
Accumulator
b)
Cache
c)
Arithmetic Logic Unit
d)
Control Unit
27.
This would reduce the number of memory/processor transfers (5-7)
a)
Accumulator
b)
Control Unit
c)
Arithmetic Logic Unit
d)
Cache
28.
This sends signals such as “I/O Read” (5-7)
a)
Accumulator
b)
Control Unit
c)
Cache
d)
Arithmetic Logic Unit
29.
This sends signals such as “Memory write” (5-7)
a)
Arithmetic Logic Unit
b)
Cache
c)
Control Unit
d)
Accumulator
30.
This doesn’t happen during the Fetch part of the cycle: (7-9)
a)
Main Memory is addressed
b)
Program Counter increments by one
c)
Arithmetic operations are performed
d)
Address Bus is used
31.
This doesn’t happen during the Decode / Execute part of the cycle: (7-9)
a)
Results are held in the Accumulator
b)
Current Instruction is held in the CIR
c)
Status Register updated
d)
Instructions are transferred from Main Memory
32.
What is held in ROM? (1-4)
a)
Data currently in use
b)
Instructions frequently used
c)
Bootstrap Loader
d)
Operating System
33.
Carries address of the next instruction that will be fetched (4-6)
a)
Control Bus
b)
Data Bus
c)
System Bus
d)
Address Bus
34.
Which component generates addresses (4-6)
a)
Processor
b)
Secondary Storage
c)
Control Unit
d)
Main Memory
35.
What is transferred down the data bus? (4-6)
a)
Instructions and Addresses
b)
Addresses only
c)
Data only
d)
Data and Instructions
36.
What accurately describes a peripheral? (1-4)
a)
A device that is directly connected to the CPU
b)
A device that is plugged in
c)
A component of a computer system
d)
A device that is not directly connected to the CPU
37.
What is the purpose of the accumulator? (4-6)
a)
To hold the accumulation of instructions that are about to happen
b)
To hold the results of a calculation
c)
To hold the accumulation of instructions that have happened
d)
To perform arithmetic operations
Reset
