Computer Fundamental Miscellaneous - Study Mode

[#856] What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word?
Correct Answer

(C) 4

Explanation

Solution: Consider the situation where a microprocessor gives an output of an 8-bit word. This is fed through an 8-bit digital-to-analog converter to a control valve. The control valve requires 6.0 V to be fully open.

[#857] The main purpose of the off line device is
Correct Answer

(B) To save computer time

Explanation

Solution: In computer technology and telecommunications, online indicates a state of connectivity, and offline indicates a disconnected state. The main purpose of the off line device is to save computer time.

[#858] The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately
Correct Answer

(B) 6 digits

Explanation

Solution: This means that floating point numbers have between 6 and 7 digits of precision, regardless of exponent. That means that from 0 to 1, you have quite a few decimal places to work with. If you go into the hundreds or thousands, you've lost a few.

[#859] Which of the following is a special purpose language used to describe to a computer's operating system.
Correct Answer

(C) ICL

Explanation

Solution: A special purpose language used to describe to a computer's operating system ICL. International Computers Limited (ICL) was British computer hardware, computer software and computer Services Company that operated from 1968 until 2002.

[#860] Which of the following languages is the most widely used?
Correct Answer

(C) FORTRAN

Explanation

Solution: 1) A FORTRAN language is the most widely used. 2) Formula Translation. 3) FORTRAN was the world's first high-level programming language. 4) FORTRAN was designed for scientists and engineers and has dominated this field.