WorksheetsT5 Computer organisation and architecture
Total questions: 34
Worksheet time: 18mins
According to the von Neumann model, _______ are stored in memory.
only data
only programs
data & programs
neither data nor programs
Tick all options that happen in the FETCH CYCLE?
PC is incremented
The Instruction at the MAR address is read from RAM
The PC value is copied to the MAR
The instruction in the MAR is decoded
The value in the MDR is written to the address in the MAR.
Tick all options that happen in the DECODE CYCLE?
PC is incremented
The Instruction at the MAR address is read from RAM
The PC value is copied to the MAR
The instruction in the MAR is decoded by the CU
The value in the MDR is written to the address in the MAR.
Tick all options that happen in the EXECUTE CYCLE?
PC is incremented
The data at the MAR address is read from RAM
The ALU performs any calculations required on the ACC
The instruction in the MAR is decoded by the CU
The value in the MDR is written to the address in the MAR.
Memory which does not retain its data after losing power is v (a) .
How wide is the address bus if it can address 256 memory addresses?
1
8
16
32
64
A 32-bit word size is equivalent to...
232 addresses
322 addresses
Indicates that a device is requesting use of the data bus
Memory Read
Memory Write
Bus Request
Bus Grant
Clock
Indicates that the CPU has granted access to the data bus
Memory Read
Memory Write
Bus Request
Bus Grant
Clock
Causes data on the data bus to be written into the addressed location
Memory Read
Memory Write
Bus Request
Bus Grant
Clock
Causes data from the addressed location to be placed onto the data bus
Memory Read
Memory Write
Bus Request
Bus Grant
Clock
The computer architecture that uses different memory spaces for instructions and data is called..
Harvard Architecture
Contemporary Architecture
Grid computing Architecture
Cluster computing Architecture
Which of these are advantages of Harvard Architecture?
Makes it easier to overwrite memory
Eliminates bottlenecking of the processors
Data and instructions are able to be stored in the same place
Instructions and data can be fetched in parallel
MOV A, #08 is the example of ___________________ addressing mode
Immediate
Direct
Indirect
Indexed
Every computer processor has the same instruction set
True
False
What are the 2 parts of the instruction?
Opinstruction and Opmemory
Opcommand and Opstate
Opcode and Operand
Opcommand and Opmemory
Select the correct description of the assembly language code below:
LDR R1, 300
Load contents of memory location 300 into register 1
Load contents of register 1 into memory location 300
Select the correct description of the assembly language code below:
SUB R3, R2, #5
Subtract the value 5 from register 2 and store the result in register 3
Subtract the value 5 from register 3 and store the result in register 2
Subtract the value stored in register 2 from the value 5 and store the result in register 3
Select the correct description of the assembly language code below:
CMP R1, R2
Compares the value stored in register 1 to the value stored in register 2
Loads the value stored in register 1 into register 2
Which of these are advantages of writing a program in Assembly language over writing a program in machine code.
Easier to understand and debug
Takes up less storage space than machine code
Less expensive to program in Assembly
It is easier to remember mnemonic codes than a pattern of 1s and 0s
What are the two types of RFID Tags?
Active and Passive
Aggressive and Passive
Wireless and Wired
Male and Female
Which of these is an advantage of RFID?
Less expensive than Bar code
Doesn't need line of sight to scan
Less Durable
More interesting than Bar Code
What is a disadvantage of RFID?
More expensive than other options
Less Durable
It is evil
Has a smaller range than other methods of AIDC
Which of the following statements are True (choose as many as are appropriate)
Magnetic disks are less robust then SSD's as they contain moving parts
Portability is an advantage of flash storage devices
SSD's consume more power than magnetic hard drives
Internal hard disks are usually used inside the computer as backing storage
Which of the following statements are INCORRECT? (choose as many as appropriate)
SSD's run cooler than magnetic drives so are suited to use in laptops
Magnetic tape is obsolete and is no longer used
Any storage device with moving parts is likely to be more reliable
Optical storage is suited to backing up/archiving files
