Which is not a factor when categorizing a computer?
Special of the output device
Amount of main memory the CPu can use
Cost of the system
Where it was purchased
Which of the following registers is used to keep trake of address of the memory location where the next instruction is located?
Memory Address Register
Memory Data Register
Instruction Register
Program counter
The ALU of a central processing unit does the essential maths for the computer.What does the control unit do.
Communicates it results
Activates the output device
Monitors the flow of information
None of these
A stack is ________
An 8 - bit register in the microprocessor
A 16 - bit register in the microprocessor
A set of memory locations in R/WM reserved for storing information temporily during the excultion of a computer.
None of the above.
The ALO and control unit of most of the microcomputers are combined and manufactured on a single ilion chip
Monochip
Microprocessor
ALU
Control unit
The stack pointer in the 8085 microprocessor is a _______ .
16 bit register that points to stack memory locations
16 bit accumulator
Memory location in the stack
Flag register used for stack
Which kinds of devices allows the user to add components and capabilities to a computer system?
System boards
Storage devices
Input device
Output device
Which is not true for primary storage.
Information must be transferred to primary storage
It is relatively move expensive data
It allows very fast access to data
It is a part of CPU
Interrupts which are initiated by an instruction are:
Internal
External
Hard ware
Software
Instruction PUSH and POP are used by ___________
Program Counter
Instruction register
Stack pointer
None of the above
