CIT246 TMA 2 solution 2019_2


CIT246

1.  ___________ is a cache writing technique in which updates are made only in the cache, setting a bit called update-bit
Ans: write Block

2. Karnaugh map is a convenient way of representing and simplifying _____________ functions of 4 to 6 variables
Ans: Boolean

3. ____________ I/O is one in which the I/O operations are completely controlled by the CPU
Ans: programmed

4. The outputs of all _________ gates are high if any of the inputs are low
Ans:  NAND

5.  __________ module controls the data exchange between the external devices and the main memory; or external devices and CPU registers.
Ans: Input/Output

6.  The address capability of _________ addressing scheme is determined by the size of the register.
Ans: register indirect

7. __________ is needed in a computer to store instructions and data at the time of program execution.
Ans: main memory

8. An I/O module is a mediator between the ________ and the I/O devices.
Ans:  processor

9. A counter is a _________ whose value is incremented by one on the occurrence of some event
Ans:  register

10. __________ addressing mode is used to initialise the value of a variable
Ans: Immediate

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