MCQ Bank
Shifting of the radix point towards left or right is called ________
- A) Right Shift
- B) Scaling
- C) Logical Shift
- D) Shifting
The main issue/s in error control is/are________________.
- A) Avoidance of Error
- B) Both Detection of Error and Correction of Error
- C) Correction of Error
- D) Detection of Error
In computers,floating-point representation uses ______to encode significand,exponent and their sign in a single word
- A) Binary Numbers
- B) Decimal Numbers
- C) Hexa decimal Numbers
- D) Octal Number
In _______ adder circuit we feed carry out from the previous stage to the next stage and so on.
- A) Carry Look Ahead Adder
- B) 2’s Complement Adder
- C) Ripple Carry Adder
- D) Complement Adder
A component connected to the system bus and having control of it during a particular bus cycle is called___________.
- A) Buffer component
- B) Slave component
- C) System bus
- D) Master component
Which I/O technique will be used by a sound card that may need to access data stored in the computer's RAM?
- A) Programmed I/O
- B) Interrupt driven I/O
- C) Direct memory access(DMA)
- D) Polling
Select the parts of a hard disk.
- A) Header, data section and a trailer.
- B) Data section only
- C) Header only
- D) Data section and a trailer
How Interrupt driven I/O is better than polling because?
- A) Interrupt driver I/O is easy to design
- B) Interrupt driver I/O does not waste time on checking which device is available.
- C) Interrupt driver I/O is enhanced version of polling.
- D) Interrupt driven I/O is easy to program.
A combination of parallel and sequential hardware used to build a multiplier is known as _______
- A) Parallel Array Multiplier
- B) Series Parallel Multiplier
- C) None of the given
- D) Booth Recording
A component connected to the _________ and with which the master component can communicate during a particular bus cycle. Normally the CPU with its bus control logic is the master component.
- A) Slave component
- B) Bus component
- C) Master component
- D) System bus
___________ depends upon the present position of the head and the position of the required sector.
- A) Throughput
- B) Direct memory Access
- C) Seek time
- D) Execution time
Along with the information bits, we add up another bit, which is called?
- A) Start bit
- B) Stop bit
- C) Parity bit
- D) Header bit
Why DMA is faster than Programmer I/O technique because?
- A) DMA transfers data directly without using CPU
- B) DMA uses buffers with CPU
- C) DMA transfers data directly using CPU.
- D) DMA uses interrupted driven I/O
In ______, bits are encoded in pairs so there are only ' n/2' additions instead of 'n'.
- A) Bit Pair Recording
- B) Integer division
- C) None of the given
- D) Booth Recording
In which one of the following methods, does the CPU poll to identify the interrupting module and branches to an interrupt service routine on detecting an interrupt?
- A) Multiple interrupt lines
- B) Daisy Chain
- C) Software Poll
- D) All of the given options
In Single-Precision Binary Floating Point Representation the exponent is _______
- A) 11 bits
- B) 23 bits
- C) 8 bits
- D) 1 bit
The directive ____________ is used to define variables.
- A) .org
- B) .sw
- C) .db
- D) .equ
______ is a combination of arithmetic, logic and shifter unit along with some multiplexers and control unit.
- A) Control Unit
- B) Barrel Rotator
- C) ALU
- D) Flip Flop
In Double-Precision Binary Floating Point Representation the fraction is _______
- A) 52 bits
- B) 11 bits
- C) 23 bits
- D) 1 bit
The information about interrupt vector is given in 8-bits, from bit 0 to 7, which is translated to bit ___________ on the data bus.
- A) 16 to 23
- B) 11 to 18
- C) 0 to 7
- D) 8 to 15