YACC is a:
LR Parser
Parser generator
Compile and go linker
Code optimizer
What is the name of the operating system for the laptop computer called Mac Lite?
MS-DOS
DOS
Windows
OZ
Most of the micro computer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because:
They are partly in primary memory and partly on disk
They are initially stored on disk
They are available on magnetic tapes
They are memory resident.
What is the name of the system which deals with the running of the actual computer and not with the programming problems?
Object program
System program
Operating system
Source program
Producers, consumers problem can be solved by:
Semaphores
Event counters
Monitors
All of the above
What are X and Y in the following macro definition ?
macro ADD x,y LOAD y MUL x STORE yend macro
Variables
Actual parameters
Identifiers
Formal parameters
The file label is a descriptor containing all the information which would be required.
To connect the file to a program
To facilitate easy creation, storage and access of files
To guard against the destruction of the file, inadvertently or deliberately by another program
Both 1 and 3
In which addressing mode the effective address of the operand is the contents of a registered specified in the instructions and after accessing the operand, the contents of this register is incremented to point is the next item in the list?
Auto decrement
Indirect addressing
Auto increment
Index addressing
Software that measures, monitors, analyses and controls real world events is called
System software
Real time softwares
Business softwares
Scientific softwares
The operating system manages
Processor
Memory
Disks
