MEDIUM
HSSC Clerk
IMPORTANT
Earn 100

Which of the following instructions is an example of direct addressing mode?
(a)MOV A, B
(b)
(c)
(d)HLT
(e)IN H

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Important Questions on Computer Organization & Architecture
MEDIUM
HSSC Clerk
IMPORTANT
An instruction is stored at location with its address field at location the address field has value . A processor register R contains the number . Evaluate the effective address, matching the following addressing modes to their respective address.
a. Direct | 1. |
b. Immediate | 2. |
c. Relative | 3. |
d. Register indirect. | 4. |
e. Index (R is indirect) | 5. |

MEDIUM
HSSC Clerk
IMPORTANT
Stack addressing is same as _____.

MEDIUM
HSSC Clerk
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. |

MEDIUM
HSSC Clerk
IMPORTANT
Programming that actually controls the path of the data within the computer is called _____.

MEDIUM
HSSC Clerk
IMPORTANT
The control signal indicates _____.

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HSSC Clerk
IMPORTANT
Linkage between CPU and the user is provided by _____.

MEDIUM
HSSC Clerk
IMPORTANT
The CPU of a computer takes instruction from memory and executes them. This process is called _____.

MEDIUM
HSSC Clerk
IMPORTANT
An interrupt can be temporarily ignored by the counter is called _____.
