SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1 ⋆ CSE Study247

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1

Questions 101-105 of 200

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Question 101

MCQ · Single Correct 1 mark

[Q.1] In computer networking, MODEM stands for:

A Modern Digital Electronic Module B Mobile Data Encoder Mode C Media Output Device Management D Modulation - Demodulation

MCQ · Single Correct 1 mark

[Q.2] What is the 2's complement representation of -5 in an 8-bit binary system?

A 11111011 B 10000101 C 11111010 D 11110101

MCQ · Single Correct 1 mark

[Q.3] Which register in a CPU holds the memory address of the next instruction to be executed?

A Accumulator (ACC) B Memory Buffer Register (MBR) C Instruction Register (IR) D Program Counter (PC)

MCQ · Single Correct 1 mark

[Q.4] In digital logic, a 3-input NAND gate produces an output LOW (0) ONLY when:

A All inputs are LOW (0) B At least one input is LOW (0) C All inputs are HIGH (1) D Any two inputs are HIGH (1)

MCQ · Single Correct 1 mark

[Q.5] Which cache mapping technique allows a block of main memory to be loaded into ANY cache line?

A 4-Way Set Associative Mapping B Direct Mapping C Fully Associative Mapping D 2-Way Set Associative Mapping