MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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What is the purpose of the Webcam?

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Important Questions on Science & Technology

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following does not belong to the group of other three devices?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following statements about the MRAM (Magnetoresistive Random-Access Memory)

1. It is a non-volatile random-access memory.

2. It stores the data or information as electric charges or current flows.

3. It is formed from two ferromagnetic plates, each of which can hold a magnetic field separated by a thin insulating layer.

Which of the statements given above is/are correct?

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
What is the Z-RAM (Zero capacitor Random Access Memory) of the computer memory?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following characteristics about the conventional Dynamic Random Access Memory (DRAM)

1. It stores each bit of data in a separate capacitor within an integrated circuit.

2. Capacitors of DRAM leak charges so the information/data eventually fades.

3. It is a volatile memory.

Which of the statements given above is/are correct?

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following memories is not non-volatile computer memory?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following applications uses the UNIX as an Operating System?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT

Consider the following statements

1. Unix is a multitasking, multi-user computer operating system.

2. The Unix operating system is now entirely coded in C-language.

Which of the statements given above is/are correct?

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following computer Operating Systems is the most commonly used in the Top-500 supercomputers of the world?