Table of Content (toc)
1. The concept of pipelining is most effective in improving performance if the tasks being performed in different stages :
-
require different amount of time
require about the same amount of time
require different amount of time with time difference between any two tasks being same
2. A successive A/D converter is
-
a high-speed converter.
a low speed converter.
a medium speed converter.
3. Stride in Vector processor is used to
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differentiate different data types
registers
differentiate different data
4. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called.
-
relative address mode.
index addressing mode.
register mode.
5. Name of round shining portable disk which can store large amount of information and softwares.
-
Floppy disk
CD-ROM
Scanner
6. Array Processor is present in
-
SIMD
MISD
MIMD
7. Which of the following is an example of storage devices?
-
Tapes
DVDs
Magnetic disk
8. Translation from symbolic program into Binary is done in_____.
-
Two passes.
Directly
Three passes.
9. Basic difference between Vector and Array processors is
-
pipelining
interconnection network
register
10. 1. ___ executes only the instructions that are commonly used in programs and thus, makes the process simpler.
2. ___ consists of a variety of expert instructions and may just not be frequently used in practical programs.
-
Complex instruction set computer (CISC), Very long instruction word (VLIW)
Reduced instruction set computer (RISC), Complex instruction set computer (CISC)
Reduced instruction set computer (RISC), Very long instruction word (VLIW)
11. The processors in a multiprocessor system communicate with each other through ___.
-
Shared memory
The shared variable in a common memory
Both a & b
12. Interprocessor communication is done through ___ among nodes-
-
Shared variable
Shared memory
Message passing
13. Cache memory works on the principle of_____.
- Locality of data
Locality of memory
Locality of reference
14. Which of the following comment about the SP is true?
-
It is used to count the no of instructions
It is a General Purpose Register
During execution of the current instruction, its content changes
15. In computers, subtraction is generally carried out by ______.
-
9’s complement
10’s complement
1’s complement
16. A standard CD player accesses data/information using which method?
-
Multivariate access
Sequential access
Random access
17. The size gap between main memory & Secondary memory can be reduced by -
-
Cache memory
memory interleaving
reducing memory size
18. The equation of average memory access time = Hit time + ___ x ___.
-
Miss rate, Miss penalty
Miss penalty, Cache size
Miss penalty, Hit time
19. The main memory in a Personal Computer (PC) is made of_____.
-
cache memory.
static RAM
Dynamic Ram
20. The numbers in the range -23 to +31 is represented by the minimum number of bits
21. Exponent in floating point number can be represented by -
-
Sign-magnitude form
I's complemented from
2's complemented from.
22. The addressing mode used in the instruction PUSH B
-
direct
register
register indirect
23. When necessary, the results are transferred from the CPU to main memory by
-
I/O devices.
CPU.
shift registers.
24. The addressing mode used in an instruction of the form ADD X,#10 is
-
absolute register
immediate
indirect
25. Virtual memory consists of
- Static RAM
Dynamic RAM
Magnetic memory
26. In a program using subroutine call instruction, it is necessary
-
initialise program counter
Clear the accumulator
Reset the microprocessor
27. Dirty bit can be used to represent
-
Noise in data
that the block has been modified in cache
that the memory write operation had been failed
28. The functional capacity of VLSI devices is
-
1-11 gates
12 to 99 gates
100 to 10,000 gates
29. Cost per bit is maximum for
-
Cache memory
ROM
RAM
30. If negative number are stored in I's complemented form, the range of numbers that can stored in 16 bits is
-
-128 to +128
-128 to +127
-127 to +127
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