← Technical Officer, SCERT

Past Questions — 2025

Technical Officer, SCERT • 2025 • General English

The news channels provided _______ coverage of the war between the two countries.

A) extensive
B) large
C) huge
D) big
Option A is correct: extensive.
Technical Officer, SCERT • 2025 • General English

The road to ruin is paved _______ noble intentions.

A) on
B) against
C) with
D) of
Option C is correct: with.
Technical Officer, SCERT • 2025 • General English

This flight goes to New Delhi _______ Kolkata.

A) by
B) through
C) via
D) on
Option C is correct: via.
Technical Officer, SCERT • 2025 • General English

“Thespian” is another word for-

A) Athlete
B) Singer
C) Actor
D) Musician
Option C is correct: Actor.
Technical Officer, SCERT • 2025 • General English

A person who donates time, money, experience, skills, or talent to help create a better world is-

A) Misanthropist
B) Philanthropist
C) Anthropologist
D) Philologist
Option B is correct: Philanthropist.
Technical Officer, SCERT • 2025 • General English

A person who can speak many languages is referred to as-

A) Polyglot
B) Polytheist
C) Poltergeist
D) Polymath
Option A is correct: Polyglot.
Technical Officer, SCERT • 2025 • General English

His friends all congratulated him _______ his new job.

A) on
B) for
C) nm
D) about
Option A is correct: on.
Technical Officer, SCERT • 2025 • General English

Most countries are facing a _______ rate of inflation these days.

A) big
B) tall
C) high
D) great
Option C is correct: high.
Technical Officer, SCERT • 2025 • Paper-III

How many address lines are present in 8086 microprocessor?

A) 16
B) 20
C) 32
D) 40
Option B is correct: 20.
Technical Officer, SCERT • 2025 • Paper-III

A memory connected to a microprocessor has 20 address lines and 16 data lines. What will be the memory capacity?

A) 8MB
B) 2MB
C) 16MB
D) 64KB
Option B is correct: 2MB.
Technical Officer, SCERT • 2025 • Paper-III

If a 90 GB memory has to be connected to a microprocessor, minimum how many address lines are required?

A) 34
B) 35
C) 36
D) 37
Option D is correct: 37.
Technical Officer, SCERT • 2025 • Paper-III

The memory organization technique that splits memory into banks to reduce access conflicts is-

A) paging
B) virtual memory
C) segmentation
D) interleaving
Option D is correct: interleaving.
Technical Officer, SCERT • 2025 • Paper-III

In Pascal, the scope rule that applies to variables declared in a nested procedure is-

A) Global scope only
B) Lexical scoping
C) Dynamic scoping
D) Nonesting allowed
Option B is correct: Lexical scoping.
Technical Officer, SCERT • 2025 • Paper-III

Distance between direct broadcasting satellite and earth’s surface is

A) 36000km
B) 3000km
C) 3600km
D) 39000km
Option A is correct: 36000km.
Technical Officer, SCERT • 2025 • Paper-III

I/O method that uses a dedicated controller to transfer data directly to memory is-

A) Polling
B) Interrupt-Driven I/O
C) DMA
D) Programmed I/O
Option C is correct: DMA.
Technical Officer, SCERT • 2025 • Paper-III

Which data structure is most efficient for implementing an “undo” feature in a text editor?

A) Queue
B) Linked List
C) Hash Table
D) Stack
Option D is correct: Stack.
Technical Officer, SCERT • 2025 • Paper-III

Which of the following is not a property of TRAP interrupt in microprocessor?

A) Itisa vectored interrupt
B) tis ofhighest priority
C) Itisanon-maskable interrupt
D) Ituses edge-triggered signal
Option D is correct: Ituses edge-triggered signal.
Technical Officer, SCERT • 2025 • Paper-III

If the carrier of a 100 percent modulated AM wave is suppressed, the percentage of power saving will be-

A) 50
B) 33.33
C) 66.66
D) 100
Option C is correct: 66.66.
Technical Officer, SCERT • 2025 • Paper-III

How many address lines are required to connect a 4 KB RAM to a microprocessor?

A) 10
B) 12
C) 14
D) 16
Option B is correct: 12.
Technical Officer, SCERT • 2025 • Paper-III

A source generates 4 equiprobable symbols. If source coding is employed, the average length of code for 100% efficiency is-

A) 6 bits/symbol
B) 4 bits/symbol
C) 3 bits/symbol
D) 2 bits/symbol
Option D is correct: 2 bits/symbol.
Technical Officer, SCERT • 2025 • Paper-III

The minimal Hamming distance between any two correct code words is-

A) 1
B) 2
C) 3
D) 4
Option A is correct: 1.
Technical Officer, SCERT • 2025 • Paper-III

The free space attenuation between two microwave antennas 40 km apart operating at 8 GHz is-

A) 156.7 dB
B) 142.55 dB
C) 79.75 dB
D) 77.39 dB
Option B is correct: 142.55 dB.
Technical Officer, SCERT • 2025 • Paper-III

The microprocessor of a computer can operate on any information if it is present in only.

A) Program Counter
B) Flag
C) Main Memory
D) Secondary Memory
Option C is correct: Main Memory.
Technical Officer, SCERT • 2025 • Paper-III

In microwave circuits, the diode used as switch is-

A) TRAPATT diode
B) Varactor diode
C) PIN diode
D) Tunnel diode
Option C is correct: PIN diode.
Technical Officer, SCERT • 2025 • Paper-III

Convert the hexadecimal number (1E2)16 to decimal.

A) 486
B) 496
C) 492
D) 482
Option D is correct: 482.