Q. Assertion (A): A higher level language is less efficient that machine language but more efficient than assembly language.

Reason (R): It is easier to learn and use higher level language than machine language.

View solution

Q. The accumulator drives the ALU.

View solution

Q. System bus is the communication channel between microprocessor and peripherals.

View solution

Q. One T state is precisely equal to one clock period.

View solution

Q. Assertion (A): A good algorithm should be fast, require minimal computer memory and time.

Reason (R): Many times an algorithm is prepared in the form of a flow chart.

View solution

Q. Programs like compilers, assemblers etc. are stored in a mircocomputer in

View solution

Q. When performing numerical calculations in floating point arithmetic

1. Error may occur due to finite representation of numbers.
2. Error may occur due to rounding.
3. Error may occur due to finite representation of inherently infinite process.

Which of the above are correct?

View solution

Q. The number of registers and flags in 8086 are

View solution

Q. The number of primitive string operations in 8086 is

View solution

Q. If the resolution of a printer is 1200 dpi, the number of dots per square inch is

View solution

Q. Which of these are 16 bit microprocessors?

View solution

Q. In which of the following 8085 instructions are all condition flags except CY affected?

View solution

Q. In 8085

View solution

Q. Assertion (A): Microprocessor 8085 has an 8 bit register called accumulator which stores intermediate answers during a computer operation.

Reason (R): Accumulator can send or receive data.

View solution

Q. Assertion (A): Interfacing means synchronisation of digital information transmission between input output devices and computer.

Reason (R): A computer with higher bit word size executes programs at a faster rate.

View solution

Q. IC 74181 is a 4 bit device.

View solution

Q. Which of the following instructions in 8085 does not belong to data transfer group?

View solution

Q. Assertion (A): A PROM is a user programmable ROM.

Reason (R): After programming PROM behaves like ROM.

View solution

Q. The operator precedence in Java is in the order

View solution

Q. A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of

View solution