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IMPORTANT
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Addressing mode facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears.

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Important Questions on Computer Organization & Architecture

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HSSC Clerk
IMPORTANT
Which of the following addressing modes are suitable for program relocation time?
1. Absolute addressing.
2. Based addressing.
3. Relative addressing.
4· Indirect addressing.
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HSSC Clerk
IMPORTANT
Which of the following instructions is an example of direct addressing mode? 
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IMPORTANT

An instruction is stored at location 300 with its address field at location 301 the address field has value 400. A processor register R1 contains the number 200. Evaluate the effective address, matching the following addressing modes to their respective address.

a. Direct 1. 702
b. Immediate 2. 200
c. Relative 3. 400
d. Register indirect. 4. 600
e. Index (R1 is indirect) 5. 300
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IMPORTANT

Match the following:

a. Immediate address mode 1. Local variables.
b. Direct address mode 2. Relocatable program.
c. Indirect address mode 3. Pointers.
d. Index address mode 4. Locality of references.
e. Base address mode 5. Arrays.
f. Relative address mode 6. Constant operands.
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Programming that actually controls the path of the data within the computer is called _____.
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HSSC Clerk
IMPORTANT
Linkage between CPU and the user is provided by _____.