Computer Aptitude Test Practice MCQs For SBI Clerical Mains

Test Preparation on Question Bank On SBI Clerical Computer Aptitude For Clerical Mains

Which one of the following houses the ALU and CU?

1Motherboard
2Printer
3CPU
4Data bus

The CPU is the Central processing unit. It houses the Arithmetic and Logic Unit (ALU) and the Control Unit (CU)

Give a suitable name to the energy center of your computer system

1SMPS
2ALU
3Tally
4IPS

The energy center of a computer is its Switch Mode Power Supply or SMPS. It provides power to all of its components. The right choice is (a). ALU stands for Arithmetic and Logic Unit. IPS is a technology developed by LG. Tally is an accounts software.

The advantage of using a USB is that

1data can be transferred across cities
2USB-compatible devices can be connected to computers as plug-and play devices
3multimedia capabilities of the system are enhanced
4user can transfer data over the Internet at any time

USB stands for Universal Serial Bus. It is a port. It allows users to plug USB-compatible devices into the computer and run them in a jiffy

Which one of the following is not a computer hardware device?

1Drum Printer
2Stylus
3Flatbed Scanner
4LED Lamp

LED stands for Light Emitting Diode. It is not a computer hardware device but options (a), (b), and (c) have hardware devices. But LEDs are certainly used in computer motherboards nowadays

What is one kilobyte equal to?

1999 bits
21000 bytes
31099 bytes
41024 bytes

One KB is equal to 1024 bytes. It is the unit of memory of hardware devices of computers

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