1. How many approaches are used to design
control unit:
a. 2
b. 3
c. 4
d. 5
2. Which are the following approaches used
to design control unit:
a. Hardwired control
b. Microprogrammed control
c.
Both a & b
d. None of these
3. Cache memory is located between main
memory and _________:
a.
CPU
b. Memory
c. Both a & b
d. None of these
4. ___________ arrow represents the value
obtained by evaluating right side expression/variable to the left side
variable:
a. Forth
b. Inbetween
c.
Back
d. None of these
5. A ___________ is written as separate
unit, apart from main and called whenever necessary:
a.
Subroutine
b. Code
c. Block
d. None of these
6. ___________ uses the stack to store
return address of subroutine:
a. CPU
b.
Microprocessor
c. register
d. memory
7. A subroutine is implemented with 2
associated instructions:
a. CALL
b. RETURN
c.
Both a & b
d. None of these
8. Call instruction is written in the
___________ program:
a.
Main
b. Procedures
c. Program
d. Memory
9. Return instruction is written in
_________ to written to main program:
a.
Subroutine
b. Main program
c. Both a & b
d. None of these
10. When subroutine is called contents of
program counter is location address of ___________ instruction following call
instruction is stored on __________ and program execution is transferred to
__________ address:
a. Non executable, pointer and subroutine
b. Executable, Stack and Main program
c. Executable, Queue and Subroutine
d.
Executable, Stack and Subroutin
11. A subroutine called by another
subroutine is called:
a.
Nested
b. For loop
c. Break
d. Continue
12. The extent nesting in subroutine is
limited only by:
a.
Number of available Stack locations
b. Number of available Addressing locations
c. Number of available CPU locations
d. Number of available Memory locations
13. Which are of the following instructions
of hardware subroutines:
a. SCAL
b. SXIT
c.
Both a & b
d. None of these
14. Importance in local variable and index
registers in subroutine does __________ :
a. Alter
b.
Not alter
c. Both a & b
d. None of these
15. Markers in subroutine cannot be
accepted as limits whereas this markers stands for:
a.
Top of stack
b. Bottom of stack
c. Middle of stack
d. All of these
16. Subroutines are placed in identical
section to caller so that SCAL and SXIT ___________ overpass divison limits:
a.
Don’t
b. Does
c. Cross
d. By
17. __________ subroutine declaration come
after procedure announcement:
a.
Global
b. Local
c. Both a & b
d. None of these
18. subroutines are invoked by using their
_________ in a subroutine call statement and replacing formal parameters with
__________ parameters:
a. Identifier and formal
b.
Identifier and actual
c. Expression and arguments
d. None of these
19. Parameters can be stacked by
__________ just as with procedures:
a.
Asterisk(*)
b. Arrow
c. Line
d. Pipeline
20. The subroutines are determined by
functioning of __________ instructions:
a.
SCAL and SXIT
b. only SCAL
c. only SXIT
d. none of these
21. Call is __________ subroutine call:
a. Conditional
b.
Unconditional
c. Both a & b
d. None of these
22. A flag is a __________ that keep track
of a changing condition during computer run:
a. Memory
b. Register
c. Controller
d. None of these
23. When a subroutine is __________ the
parameters are loaded onto the stack and SCAL is executed:
a. Executed
b.
Invoked
c. Ended
d. Started
24. Subroutine is called _________ :
a. In Same program
b. In external program
c.
Both a & b
d. None of these
25. If internal subroutine is called
global data is used to pass values defining parameters between __________
program and defined _________ :
a.
Main and subroutine
b. Local and subroutine
c. Global and subroutine
d. Global and main
26. In what type of subroutine actual
parameters are passed through the main program to formal parameters in the
related subroutine:
a. Internal
b.
External
c. Both a & b
d. None of these
27. By defining the _________ register as
last in first out stack the sequence can
handle nested subroutines:
a. S
b. J
c.
R
d. T
28. The __________ stack can be 4-word
memory addressed by 2 bits from an up/down counter known as the stack pointer:
a. FIFO
b. PIPO
c. SISO
d.
LIFO
29. getchar :: IO char in this given
function what is indicated by IO char:
a.
when getchar is invoked it returns a character
b. when getchar is executed it returns a character
c. both a & b
d. none of these
30. If we define putchar function in
putchar :: char -> IO ( ) syntax than character input as an argument and
returns __________ :
a. Useful value
b. Get output
c.
Get no output
d. None of these
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