The most common addressing techniques employed by a CPU is :
Immediate
Direct
Indirect
All of the above
The register areas to instruction excution:
Program counter
Instruction Register
Instruction register
All of these
Which of the following is an 8085 Assembler Directive.
DS
DCR
DCX
DAA
A stack pointer is _________
16 - register in the microprocessor that indicated the beginning of the stack memory.
A register that decodes and excutes 16 - bit arithmetic expressions
The first memory location where a subroutine address is stored.
None of these
Central processing unit ( CPU )consists of ________.
Input,Output and processing
Control unit, primary storage, secondary storage
Control unit, arithmetic - logic unit and primary storage.
Branch instructions are used to ____________
Manupulate numaric data
Logic data
Transfer control
Manage data
Micro instructions are stored in the __________ .
Internal storage
External storage
Cache
Control memory
_________ instruction add H and L pair registers
DAD
ADA
SBB
To add contents of a register or memory location, use _________
ADD
SUB
HL
DOS
The 8085 contains _______ general purpose registers of 8 bits.
6
5
4
3