SECTION A [15 MARKS]: Each Question Weighs 1 Marl<.
Indicate whether each of the following statements is True or False
I. Organizational attributes include hardware details transparent to the programmer.
[True/False]
2. RISCprocessors are more responsive to interrupts because interrupts are checked
between rather elementary operations.
[True/False]
3. Machine parallelism exists when instructions in a sequence are independent and
thus can be executed in parallel by overlapping.
[True/False]
4. Addition and subtraction can be performed on numbers in two's complement
notation by treating them as unsigned integers.
[True/False]
5. Although convenient for computers, the binary system is exceedingly cumbersome
for human beings.
[True/False]
6. In the Direct Memory Access (DMA) mode, the 1/0 module and main memory
exchange data directly, without processor involvement.
[True/False]
7. Paging is usually visible to the programmer and is provided as a convenience for
organizing programs and data and as a means for associating privilege and
protection attributes with instructions and data.
[True/False]
8. It is not possible to connect 1/0 controllers directly onto the system bus.[True/False]
9 . Binary notation is more compact than hexadecimal notation.
[True/False]
10. In a system without virtual memory, the effective address is a virtual address
or a register.
[True/False]
11. The SRAM is the building block for level 1 Cache memory.
[True/False]
12. Interrupt is one of the five states for a process.
[True/False]
13.lnstruction pipelining is a powerful technique for enhancing performance but requires
careful design to achieve optimum results with reasonable complexity. [True/False]
14. The XORoperator yields false if both its operands are true.
[True/False]
15. The AGP expansion cards found on the on the motherboard are superior to PCI
Express (PCle).
[True/False]
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