Computer System Architecture

551. getchar:: IO char in this given function what is indicated by IO char:

1. when getchar is invoked it returns a character
2. when getchar is executed it returns a character
3. both a & b
4. none of these

View answer

552. If we define putchar function in putchar:: char -> IO ( ) syntax than character input as an argument and returns ____________:

1. Useful value
2. Get output
3. Get no output
4. None of these

View answer

553. The front panel display provides lights as green LED represent ____________ and red LED represent ____________ for device programmer who writes input/output basic:

1. Busy and Error
2. Error and Busy
3. Busy and Busy
4. Error and Error

View answer

554. The input data for processing uses the standard input device which by default is a ____________:

1. Mouse
2. Scanner
3. Keyboard
4. Monitor

View answer

555. The processed data is sent for output to standard ____________ device which by default is computer screen:

1. Input
2. Output
3. Both a & b
4. None of these

View answer

556. Each instruction is executed by set of micro operations termed as:

1. Micro instructions
2. Mini instructions
3. Both a & b
4. None of these

View answer

557. For each micro operation the control unit generates set of ____________ signals:

1. Control
2. Address
3. Data
4. None of these

View answer

558. Sequence of microinstructions is termed as micro program or:

1. Hardware
2. Software
3. Firmware
4. None of these

View answer

559. The micro program is an ____________ written in microcode and stored in firmware which is also referred as____________:

1. Interpreter and control memory
2. Translator and control store
3. Translator and control memory
4. Interpreter and Translator

View answer

560. Compared to hardware, firmware is ____________ to design micro programmed organization:

1. Difficult
2. Easier
3. Both a& b
4. None of these

View answer