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Worksheetsbasic computer design
Total questions: 10
Worksheet time: 7mins
Negative numbers cannot be represented in
signed magnitude form
1's complement form
2's complement form
None of these
Which of the following statement is correct about PC?
i) PC points to the instruction to be executed
ii) The PC contents are used as address and instruction is read from memory
a) i
b) ii
c) i and ii
d) Neither i and ii
Which of the following registers are used for fetch and execute operations?
i) Program Counter
ii) Instruction Register
iii) Address Register
i, iii
ii, iii
i, ii
None of these
The sequence of events that happen during a typical fetch operation is
PC--> MAR --> Memory --> MDR --> IR
PC--> MAR --> Memory --> MDR --> IR
PC--> Memory --> IR
PC--> MAR --> Memory --> IR
A memory system of size 16 K bytes is required to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is
2
4
8
16
An address space is specified by 16-bits and corresponding memory space by 12-bits. Number of words in address space are
64 K
48 K
32 K
16 K
The cost of storing a bit is minimum in
cache
Ram
Registers
Magnetic Tape
what is the value of mode bit in case of indirect addressing?
1
0
2
16
D7IT3 What is the meaning of this decoding control signal?
Memory Ref Instruction
Register Ref Instruction
I/O Ref Instruction
Interrupt
Identify type of the instruction, if hexadecimal code is 7800
Memory Ref
Register Ref
I/O Ref
Interrupt
