MCQOPTIONS
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MCQOPTIONS
This section includes 1439 Mcqs, each offering curated multiple-choice questions to sharpen your Data Mining knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
An n-bit microprocessor has |
| A. | n-bit program counter |
| B. | n-bit address register |
| C. | n-bit ALU |
| D. | n-bit instruction register |
| Answer» E. | |
| 702. |
Which is true for a typical RISC architecture? |
| A. | Micro programmed control unit |
| B. | Instruction takes multiple clock cycles |
| C. | Have few registers in CPU |
| D. | Emphasis on optimizing instruction pipelines |
| Answer» B. Instruction takes multiple clock cycles | |
| 703. |
Suppose that a bus has 16 data lines and requires 4 cycles of 250 nsecs each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 nsecs and the number of cycles required for transfer stayed the same what would the bandwidth of the bus? |
| A. | 1 Megabyte/sec |
| B. | 4 Megabytes/sec |
| C. | 8 Megabytes/sec |
| D. | 2 Megabytes/sec |
| Answer» E. | |
| 704. |
PSW is saved in stack when there is a |
| A. | interrupt recognised |
| B. | execution of RST instruction |
| C. | execution of CALL instruction |
| D. | All of these |
| Answer» B. execution of RST instruction | |
| 705. |
In switching transistors the traditional primary energy-consumption, also called |
| A. | Static energy |
| B. | Dynamic energy |
| C. | Mechanical energy |
| D. | Thermal energy |
| Answer» C. Mechanical energy | |
| 706. |
The term 'computer architecture' is sometimes referred only to |
| A. | Instruction set design |
| B. | Circuit design |
| C. | Hardware design |
| D. | Pipelining |
| Answer» B. Circuit design | |
| 707. |
In floating point instruction format the Opcode contains |
| A. | 25-32 bits |
| B. | 26-31 bits |
| C. | 24-31 bits |
| D. | 26-32 bits |
| Answer» C. 24-31 bits | |
| 708. |
Power is energy/unit time: 1 watt = |
| A. | 1 coulomb per second |
| B. | 1 joule per second |
| C. | 1 joule |
| D. | 1second |
| Answer» C. 1 joule | |
| 709. |
1000 disks having 1,000,000-hour MTTF, if failed disks are being replaced with a new one, having the same as all having reliability characteristics, the number of disks that would be failed in a year (8760 hours) is |
| A. | 4 |
| B. | 8 |
| C. | 9 |
| D. | 12 |
| Answer» D. 12 | |
| 710. |
MISD data stream is the abbreviation of |
| A. | Multiple instruction single data stream |
| B. | Multiple instruction streams, single data stream |
| C. | Multiple instruction streams, data stream |
| D. | Many instruction streams, single data stream |
| Answer» C. Multiple instruction streams, data stream | |
| 711. |
In computer, size of DI, SI, SP and BP stack control register is |
| A. | 2 bytes each |
| B. | 6 bytes each |
| C. | 4 bytes each |
| D. | 8 bytes each |
| Answer» B. 6 bytes each | |
| 712. |
By improving the components of the computer for the performance gain, can be calculated using |
| A. | Ampere's law |
| B. | Bottom line |
| C. | Module reliability |
| D. | Amdahl |
| Answer» E. | |
| 713. |
Computer register which is used to keep track of address of the memory location where the next instruction is located is |
| A. | memory address register |
| B. | memory data register |
| C. | instruction register |
| D. | program counter |
| Answer» E. | |
| 714. |
Processor A having 20% higher power-consumption than the processor B, but if processorA executes task in only 70% of average time needed by B, then its energy consumption will be |
| A. | 0.81 |
| B. | 0.94 |
| C. | 0.84 |
| D. | 0.91 |
| Answer» D. 0.91 | |
| 715. |
Different types of parallelism in the applications like: |
| A. | Data-Level Parallelism |
| B. | Task-Level Parallelism |
| C. | Instruction-Level Parallelism |
| D. | All above |
| Answer» E. | |
| 716. |
Memory consisting of electronic circuits attached into silicon chip is known as |
| A. | Magnetic core memory |
| B. | Semiconductor memory |
| C. | Thin film memory |
| D. | None of these |
| Answer» C. Thin film memory | |
| 717. |
What is the correct sequence of time delays that happen during a data transfer from a disk to memory? |
| A. | Seek time, access time, transfer time |
| B. | Seek time, latency time, transfer time |
| C. | Access time ,Latency time, transfer time |
| D. | Latency time, access time, transfer time |
| Answer» C. Access time ,Latency time, transfer time | |
| 718. |
The minimum time delay required between initiation of two successive memory operations is called |
| A. | Memory cycle time |
| B. | Memory access time |
| C. | Transmission time |
| D. | Fetch Time |
| Answer» B. Memory access time | |
| 719. |
The time interval between adjacent bits is called the |
| A. | Word-time |
| B. | Bit-time |
| C. | Turn around time |
| D. | Slice time |
| Answer» C. Turn around time | |
| 720. |
The communication between the components in a microcomputer takes place via the address and |
| A. | I/O bus |
| B. | Data bus |
| C. | Address bus |
| D. | Control lines |
| Answer» C. Address bus | |
| 721. |
Data input command is just the opposite of a |
| A. | Test command |
| B. | Control command |
| C. | Data output |
| D. | Data channel |
| Answer» D. Data channel | |
| 722. |
An address in main memory is called |
| A. | Physical address |
| B. | Logical address |
| C. | Memory address |
| D. | Word address |
| Answer» B. Logical address | |
| 723. |
A binary digit is called a |
| A. | Bit |
| B. | Byte |
| C. | Number |
| D. | Character |
| Answer» B. Byte | |
| 724. |
An interface that provides a method for transferring binary information between internal storage and external devices is called |
| A. | I/O interface |
| B. | Input interface |
| C. | Output interface |
| D. | I/O bus |
| Answer» B. Input interface | |
| 725. |
An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as |
| A. | DDA |
| B. | Serial interface |
| C. | BR |
| D. | DMA |
| Answer» E. | |
| 726. |
A k-bit field can specify any one of |
| A. | 3^k registers |
| B. | 2^k registers |
| C. | K^2 registers |
| D. | K^3 registers |
| Answer» C. K^2 registers | |
| 727. |
MIMD stands for |
| A. | Multiple instruction multiple data |
| B. | Multiple instruction memory data |
| C. | Memory instruction multiple data |
| D. | Multiple information memory data |
| Answer» B. Multiple instruction memory data | |
| 728. |
A register capable of shifting its binary information either to the right or the left is called a |
| A. | parallel register |
| B. | serial register |
| C. | shift register |
| D. | storage register |
| Answer» D. storage register | |
| 729. |
A Program Counter contains a number 825 and address part of the instruction contains the number 24. The effective address in the relative address mode, when an instruction is read from the memory is |
| A. | 849 |
| B. | 850 |
| C. | 801 |
| D. | 802 |
| Answer» C. 801 | |
| 730. |
The memory location’s address where data is to be stored is specified by ___________. |
| A. | Memory Buffer Register (MBR) |
| B. | Accumulator (AC) |
| C. | Instruction Register (IR) |
| D. | Memory Address Register (MAR) |
| Answer» E. | |
| 731. |
Which of the following is a main memory? |
| A. | Secondary memory |
| B. | Auxiliary memory |
| C. | Cache memory |
| D. | Virtual memory |
| Answer» D. Virtual memory | |
| 732. |
The number of instructions being executed defines the |
| A. | Instruction count |
| B. | Hit time |
| C. | Clock rate |
| D. | All above |
| Answer» B. Hit time | |
| 733. |
Energy equation of pulse of the logic transition, can be computed as |
| A. | Energydynamic ? Capacitive load |
| B. | Energydynamic 1/? Capacitive load |
| C. | Energydynamic ? Capacitive load - Voltage2 |
| D. | Energydynamic ? Capacitive load + Voltage2 |
| Answer» B. Energydynamic 1/? Capacitive load | |
| 734. |
Software compatibility levels determines |
| A. | Amount of existing software |
| B. | Flexibility |
| C. | Protection |
| D. | Networking |
| Answer» B. Flexibility | |
| 735. |
The no of good dies/wafer are called |
| A. | Top line |
| B. | Bottom line |
| C. | Double line |
| D. | Multiple line |
| Answer» C. Double line | |
| 736. |
80% cost of a $90M warehouse is associated with, |
| A. | Power |
| B. | Cooling |
| C. | Scaling |
| D. | both a and b |
| Answer» E. | |
| 737. |
3.3 GHz Core i7 running in short bursts for |
| A. | 1.6 GHz |
| B. | 3.3 GHz |
| C. | 3.6 GHz |
| D. | 2.6 GHz |
| Answer» D. 2.6 GHz | |
| 738. |
The no of dies/300 mm or (30 cm)wafer for die which is 1.5 cm on a side and for that die which is 1.0 cm on a side, would be |
| A. | 370 & 640 |
| B. | 270 & 740 |
| C. | 270 & 750 |
| D. | 270 & 640 |
| Answer» E. | |
| 739. |
With respect to changing among the states of accomplishment and interruption, a measure of continuous service-accomplishment, is known as |
| A. | Module availability |
| B. | Scalability |
| C. | Module reliability |
| D. | Sector |
| Answer» B. Scalability | |
| 740. |
For comparing the performance of new system, the users will simply compare execution time of its |
| A. | Response time |
| B. | Execution time |
| C. | Workloads |
| D. | Multitasking |
| Answer» D. Multitasking | |
| 741. |
Sustained power consumption; the given metric is widely known as |
| A. | Thermal design power |
| B. | Electrical design power |
| C. | Hydro design power |
| D. | None of above |
| Answer» B. Electrical design power | |
| 742. |
Databases and transaction processing support; reliability and availability enhancements are provided by |
| A. | Desktop |
| B. | Clusters |
| C. | Servers |
| D. | Tabs |
| Answer» D. Tabs | |
| 743. |
Static power being directly proportional to no of devices, that is known as |
| A. | Powerstatic ? Currentstatic |
| B. | Powerstatic ? Currentstatic + Voltage |
| C. | Powerstatic ? Currentstatic - Voltage |
| D. | Powerstatic ? Currentstatic Voltage |
| Answer» B. Powerstatic ? Currentstatic + Voltage | |
| 744. |
The bus used to connect the monitor to the CPU is ______ . |
| A. | PCI bus |
| B. | SCSI bus |
| C. | Memory bus |
| D. | Rambus |
| Answer» C. Memory bus | |
| 745. |
In multiple Bus organisation, the registers are collectively placed and referred as ______ . |
| A. | Set registers |
| B. | Register file |
| C. | Register Block |
| D. | Map registers |
| Answer» C. Register Block | |
| 746. |
The main advantage of multiple bus organisation over single bus is |
| A. | Reduction in the number of cycles for execution |
| B. | Increase in size of the registers |
| C. | Better Connectivity |
| D. | None of these |
| Answer» C. Better Connectivity | |
| 747. |
______ are used to over come the difference in data transfer speeds of various devices. |
| A. | Speed enhancing circuitory |
| B. | Bridge circuits |
| C. | Multiple Buses |
| D. | Buffer registers |
| Answer» E. | |
| 748. |
The ISA standard Buses are used to connect |
| A. | RAM and processor |
| B. | GPU and processor |
| C. | Harddisk and Processor |
| D. | CD/DVD drives and Processor |
| Answer» D. CD/DVD drives and Processor | |
| 749. |
To extend the connectivity of the processor bus we use ______ . |
| A. | PCI bus |
| B. | SCSI bus |
| C. | Controllers |
| D. | Multiple bus |
| Answer» B. SCSI bus | |
| 750. |
IBM developed a bus standard for their line of computers ‘PC AT’ called _____ . |
| A. | IB bus |
| B. | M-bus |
| C. | ISA |
| D. | None of these |
| Answer» D. None of these | |