All the functions of the ports of 8255 are achieved by programming the bits of an internal register called

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

data bus control

control word register

read logic control

None of the above

Correct Answer : Option (B) : control word register

Explanation : By programming the bits of control word register, the operations of the ports are specified.

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If I = J = K = 13, then in Fortran 1 = 10 - (1 / 10) * 10 + (J / 5) * 4 + K ** (- 2) is equal to

Correct Answer : 8

In the dimension statement DIMENSION A (50, 50), K (100, 100) the total number of locations reserved will be

2500

100000

125000

250000

Correct Answer : 125000

In super computers the extra level of primary memory is generally called

Single stage device

Digital state device

Solid state device

Surface stage device

Correct Answer : Solid state device