Types & Components of Computer Systems
This type of computer is designed to perform one specific task and is built into devices like washing machines
What is an embedded system?
This input device is used to read barcodes.
What is a barcode reader?
This is the smallest unit of data.
What is a bit?
LAN stands for this.
What is Local Area Network?
This system is used in supermarkets to record sales and update stock levels.
What is a POS system?
This component performs calculations and controls the operation of the computer.
What is the CPU?
This device captures handwritten signatures digitally.
What is a graphics tablet?
1024 bytes is equal to this.
What is 1 kilobyte?
This device connects different networks together.
What is a router?
This type of system uses sensors and automatic responses to control processes in factories.
What is a control system?
The three parts of the CPU are these.
What are the Control Unit, ALU and Registers?
This output device produces a hard copy using tiny dots of ink.
What is an inkjet printer?
This type of optical storage allows data to be rewritten many times.
What is DVD-RW or CD-RW?
This protocol is used to transfer web pages.
What is HTTP or HTTPS?
In banking, this system processes large volumes of transactions in batches.
What is batch processing?
This memory is volatile and stores data currently in use.
What is RAM?
This device uses MICR to read data from cheques.
What is a magnetic ink character reader?
This is an advantage of cloud storage.
What is remote access / automatic backup / access from anywhere?
One advantage of a WAN compared to a LAN.
What is wider geographical coverage?
In hospitals, this system stores patient records digitally.
What is an Electronic Health Record (EHR) system?
This storage uses no moving parts and is faster and more reliable than HDD.
What is SSD?
This technology reads passports and contactless bank cards using radio waves.
What is RFID?
This RAID level mirrors data across two drives for redundancy.
What is RAID 1?
This type of attack floods a network with traffic to make it unavailable.
What is a Denial of Service (DoS) attack?
In libraries, this system tracks borrowed books using barcodes.
What is a library management system?