Final Term 2015 05 March-15 8.00 am
MCQs …….
1. Based on the statistical results, the block which has been least used in the recent past, is replaced with a
new block. This technique is called
LFU (Least Frequently Used).
2. Internal interrupts are generated by the _________
Processor
1. _____________is an important function which should be built into I/O ports.
Address decoding
3. We represent e^ instead of e to show ____________
biased representation
4. In control field of page table, __________ indicate the availability of page in main memory.
Presence Bits
5. Which is the last instruction of the ISR that is to be executed when the ISR terminates?
IRET
1. For increased and better performance we use ________ which are usually made of glass.
Fiber Optic Cables
1. is a technique in which some of the CPU’s address lines forming an input to the address decoder are
ignored.
Partial decoding
1. In ________ circuit we feed carry out from the previous stage to the next stage and so on.
Ripple Carry Adder
6. _______________is the simplest form for representing a signed number.
Sign Magnitude Form
7. Taking control of the system bus for a few bus cycles is known as ______
Cycle Stealing
1. Falcon-A Simulator loads a FALCON-A binary file with a ______ extension and presents its contents into
different areas of the simulator.
.Binfa
8. Consider Falcon A, with 16 address lines, the total address space is _________ Kbytes.
2^16 = 64 Kbytes
1. ___________ is nonvolatile i.e. it retains the information in it when power is removed from it.
