WorksheetsCA Unit 2 Execution of instructions
Total questions: 10
Worksheet time: 5mins
Instruction Register consists of
(a)
PC contains
Address of the next instruction to be executed
Address of the current instruction
Name of the program
Number of programs executed
When the size of the instruction is 4, then
(a)
Data in the data Bus transferred to the register Ri
Ri out
Ri to Ro
Ri in
Ri
Data in the register Ri transferred to the data Bus
Riout
Riin
Ri
R0-Ri
When Ri in and Ri out are set to zero then
There are register transfers
There is a memory transfer
There are no register transfers
It is an arithmetic instruction
"Transfer data from R1 to R4."
Give the RT functions.
Give the ALU micro instructions for:
ADD R3, R1, R2
Generation of control signals
Microprogrammed control
Centralized control
Hardwired control
Basic control
Hardwired control is used in
CISC processors
RISC processors
All Intel processors
All SPARC processors
