Test Preparation on SBI-Computer Aptitude Test Paper-1
1.
Which one of the following houses the ALUand CU?
The CPU is the Centralprocessing unit. It houses the Arithmeticand Logic Unit (ALU) and the Control Unit(CU).
2.
Give a suitable name to the energy centre ofyour computer system.
The energy centre of acomputer is its Switch Mode Power Supplyor SMPS. It provides power to all of itscomponents. The right choice is (1). ALUstands for Arithmetic and Logic Unit. IPS isa technology developed by LG. Tally is anaccounts software.
3.
The advantage of using a USB is that
USB stands for UniversalSerial Bus. It is a port. It allows users to plugUSB-compatible devices into the computerand run them in a jiffy. The right choice is(2).
4.
Which one of the following is not a computerhardware device?
LED stands for Light EmittingDiode. It is not a computer hardware devicebut options (1), (2) and (3) have hardwaredevices. But LEDs are certainly used incomputer motherboard nowadays. The rightchoice is (4).
5.
What is one kilobyte equal to?
One KB is equal to 1024 bytes.It is the unit of memory of hardware devicesof computers.
6.
Which one of the following would wash outits data if the computer is switched?
In three options, you havebeen given names of memory chips. RAMmeans Random Access Memory. Its contentswould be washed out as soon as you switchoff computer
7.
The data on a HDD is store of the _____ ofdisks.
A HDD has many small disks.The entire set is called Disk pack. There aremany circular tracks on each disk of a Diskpack. These tracks are also called cylindersby the OS. Data is stores as zeros and oneson these tracks.
8.
What is wave soldering?
The wave soldering techniqueis used to make PCBs in factories.Components are mounted on the PCB andthen, a wave of solder material (a tin-andleadmixture) is stuck on the lower side ofthe PCB so that all components are fixed(soldered) to the PCB in just one go.
9.
The latest feature of memory devices is that
SSD or Solid Sate device isthe new memory technology for computers.Computer hardware teams have developedSSDs that can store up to 760 GB of datainside a laptop. Outside the machine, as astandalone device, a SSD can store 2 TB ofdata as well. Already, hardware people aretalking about SSDs having memories of theorder of Terrabytes. Inside the laptop, theSSD cannot have much memory.
10.
What is the difference between EPROM andROM?
EPROM and ROM both aremade in hardware factories. EPROM can beerased and reprogrammed in a factory. ROMcan be programmed only once and its datacannot be changed
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