11th Class (HSSC-I) Computer SLO Based Key Point Notes
(National Book Foundation - As Federal Textbook Board, Islamabad Based on National Curriculum Pakistan 2023-2024 and Onward prescribed by Federal Board of Intermediate and Secondary Education, Islamabad, and All Pakistan Boards) (Contact WhatsApp # 03339719149 for a full book PDF Notes)
(National Book Foundation - As Federal Textbook Board, Islamabad
Based on National Curriculum Pakistan 2023-2024 and Onward prescribed by Federal Board of Intermediate and Secondary Education, Islamabad, and All Pakistan Boards)
(Contact WhatsApp # 03339719149 for a full book PDF Notes)
************************************👉👉👉Computer Science 11th Class Notes (Main Page)
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1. Which part of the computer performs the fetch, decode, and execute cycle?
... Answer is B. Control Unit
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2. Where are the results of ALU operations transferred?
... Answer is D. Accumulator Register
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3. Which of these buses selects a memory word for a read or write operation?
... Answer is C. Address Bus
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4. Which of these registers controls the sequence in which instructions are fetched from memory for execution?
... Answer is A. Program Counter
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5. A memory word that is to be stored in or fetched from memory must first be transferred into which register?
... Answer is C. Memory Buffer Register
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6. Which instruction causes the transfer of instruction execution to the specified address?
... Answer is B. Branch
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7. Which of these instructions will perform the addition of two numbers? :
... Answer is A. Operation
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8. Through which bus, instructions are transferred from the main memory to the instruction register?
... Answer is D. Instruction Bus
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9. How many distinct operations can be performed if the op-code of a microprocessor consists of bits?
... Answer is C. 16
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10. Which part of the computer decodes instructions?
... Answer is D. Control Unit
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11. Processor includes all of the following except
... Answer is B. RAM
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12. _______ coordinates the activities of all hardware.
... Answer is B. CU
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13. ________ holds the data coming from or going to memory.
... Answer is D. MBR
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14. ________ is not a data transfer instruction.
... Answer is C. ADD
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15. Which of the following is an example of zero-address instruction.
... Answer is A. STOP
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16.. Which of the following processors has a clock speed of 1.7 GHz?
... Answer is A. P-IV
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17. Intel and AMD are manufacturers of __________________ :
... Answer is B. Processor
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18. In __________ step reads a new instruction from memory
... Answer is A. Fetch
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19. What does the data bus carry?
... Answer is C. Data and instructions
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20. A set of bits that tells the computer to perform a specific operation is called__________ :
... Answer is A. Instruction code
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1. Which part of the computer performs the fetch, decode, and execute cycle?
--------------------------
2. Where are the results of ALU operations transferred?
-------------
3. Which of these buses selects a memory word for a read or write operation?
----------------
4. Which of these registers controls the sequence in which instructions are fetched from memory for execution?
-------------------
5. A memory word that is to be stored in or fetched from memory must first be transferred into which register?
------------------------
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----------------
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-------------------------
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6. Which instruction causes the transfer of instruction execution to the specified address?
---------------
7. Which of these instructions will perform the addition of two numbers? :
----------------
8. Through which bus, instructions are transferred from the main memory to the instruction register?
-------------------------
9. How many distinct operations can be performed if the op-code of a microprocessor consists of bits?
----------------
10. Which part of the computer decodes instructions?
----------------------
11. Processor includes all of the following except
------------------------------
12. _______ coordinates the activities of all hardware.
-------------------------
13. ________ holds the data coming from or going to memory.
-----------
-----------------
--------------------------
---------------------------
--------------------------
-------------------------
-----------
14. ________ is not a data transfer instruction.
-----------------
15. Which of the following is an example of zero-address instruction.
--------------------------
16.. Which of the following processors has a clock speed of 1.7 GHz?
---------------------------
17. Intel and AMD are manufacturers of __________________ :
--------------------------
18. In __________ step reads a new instruction from memory
-------------------------
19. What does the data bus carry?
-------------------------
20. A set of bits that tells the computer to perform a specific operation is called__________ :
----------------
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