Computer hardware

The keyboard is known as common

• Output unit

• Input Unit

• Processing unit

• Storage Unit

Which device is used to input voice?

• Sound Card

• Microphone

• Speaker

• Scanner

The hard disk is considered as

• Primary Memory

• Secondary Storage

• Main Storage

• Flash Storage

Which of the following is non Impact Printer?

• Dot-matrix

• Daisy Wheel

• Laser

• None

Which of the following devices stores data optically?

• CD-ROM

• Floppy disk

• Pendrive

• Cache memory

Which device is used to count the number of correct ticks especially in objective type quesions?

• OCR

• MICR

• OMR

• BCR

Which input device is mainly used to play Computerized games?

• Mouse

• Touchpad

• Joystick

• Track Ball

Which memory needs period refreshing?

• SRAM

• EPROM

• DRAM

• PROM

Which is the fastest memory of a computer?

• RAM

• ROM

• Cache

• SD

What is the full form of EEPROM?

• Electrically Erasable Programmable Read and write Memory

• Electronically Erasable Programmable Read-Only Memory

• Electrically Erased Programmable Read-Only Memory

• Electrically Erasable Programmable Read-Only Memory