HSSC - I (11th Class) Computer Science Notes - Unit 2 - Computers Memory (20 MCQs) for Practice

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) 

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1. Which of the following is the fastest memory?

 A. RAM
 B. ROM
 C. cache memory
 D. USB flash memory

... Answer is C. Cache memory
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2. How much is 1MB memory equal to?

 A. 1024 bytes
 B. 1024 TB
 C. 1024 kB
 D. 1024 GB

... Answer is C. 1024 kB
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3. Which of the following is volatile memory?.

 A. RAM
 B. ROM
 C. PROM
 D. EEPROM

... Answer is A. RAM
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4. Which of the following has the highest storage capacity

 A. DVD
 B. Blu-ray disk
 C. CD
 D. floppy disk

... Answer is B. Blu-ray disk
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5.  USB flash device is what type of memory?

 A. Magnetic memory
 B. Optical memory
 C. Electronic memory
 D. Primary memory

... Answer is C. Electronic memory
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6. Which of the following memory devices has the smallest storage capacity?

 A. RAM
 B. cache memory
 C. CD
 D. Memory card

... Answer is B. cache memory
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7. Which of the following storage device is obsolete nowadays?. :

 A. Hard disk
 B. CD
 C. Memory card
 D. Floppy disk

... Answer is D. Floppy disk
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8. Which memory communicates directly with the CPU?

 A. Main memory
 B. Secondary memory
 C. Hard disk
 D. USB flash drive

... Answer is A. Main memory
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9. Which of the following memory devices has sequential access to data?

 A. Magnetic disk
 B. Optical memory
 C. Magnetic tape
 D. Chip memory

... Answer is C. Magnetic tape
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10. Where are the registers located?

 A. Inside hard disk
 B. Inside DVD
 C. Inside RAM
 D.  inside microprocessor

... Answer is D. inside microprocessor
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11. The basic unit of computer memory is_______

 A. Bit
 B. Byte
 C. KB
 D. MB

... Answer is B. Byte
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12. Data is temporarily stored in_______

 A. CPU
 B. Secondary Memory
 C. Main Memory
 D. None of these

... Answer is C. Main Memory
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13. ____________ is the fastest memory

 A. Registers
 B. RAM
 C. ROM
 D. CACHE

... Answer is A. Registers
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14.  The information contained in _________ is lost when power is off.

 A. ROM
 B. RAM
 C. Hard Disk
 D. Flesh Memory

... Answer is B. RAM
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15. The Operating System is stored in ____________ when the computer is ON.

 A. RAM
 B. ROM
 C. Hard Disk
 D. CD-ROM

... Answer is A. RAM
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16.. __________ has the highest capacity.

 A. CD-ROM
 B. Hard Disk
 C. RAM
 D. ROM

... Answer is B. Hard Disk
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17. QA single character can be stored in a______________ :

 A. Bit
 B. Byte
 C. Word
 D. Cell

... Answer is B. Byte
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18. In ___________ instructions are stored at the time of manufacturing.

 A. RAM
 B. ROM
 C. Cache
 D. Registers

... Answer is B. ROM
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19. The RAM is also called ______________________________

 A. Random Access Memory
 B. Primary Memory
 C. Main Memory
 D. All of the ABOVE

... Answer is A. Random Access Memory
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20. The smallest unit of memory is_______________ :

 A. Bit
 B. Byte
 C. KB
 D. MB

... Answer is A. Bit
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👉👉👉Computer Science 11th Class Notes (Main Page)

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