GATE ECE 1988 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1988

Subjective

-0

A rectangular waveguide with cross-section dimensions 5 cm by 3 cm is filled with a dielectric of relative permittivity 3.
(i) Determine the cutoff frequency of the$$T{E_{11}}$$ mode.
(ii) Determine the frequency at which this / mode has an attenuation of $$3\,\pi $$ nepers/m.

GATE ECE 1988

MCQ (More than One Correct Answer)

-0.6

The electric field E and the magnetic field H of a short dipole antenna satisfy the condition

the r component of E is equal to zero

both r and $$\theta $$ components of H are equal to zero

the $$\theta $$ component of E dominates the r component in the far-field region

the $$\theta $$ and $$\phi $$ components of H are of the same order of magnitude in the near-field region

GATE ECE 1988

MCQ (Single Correct Answer)

-0.3

For a microprocessor system using I/O-mapped I/O the following statement(s) is NOT true

Memory space available is greater.

Not all data tranfer instructions are available

I/O and Memory address spaces are distinct.

I/O address space is greater.

GATE ECE 1988

MCQ (Single Correct Answer)

-0.3

A microprocessor with a 16-bit address bus is used in a linear memory selection configuration (i.e. Address bus lines are directly used as chip selects of memory chips) with 4 memory chips. The maximum addressable memory space is

64k

16k

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