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One mark questions:
1. What is PC?
2. What is the use of input unit?
3.
What happens to the data in the input unit?
4. What is the use of memory?
5 What is ROM and RAM?
6. Classify various units of memory.
7 What is cache memory?
8.
What does MOUSE stand for?
9. What is MICR?
10. Define the resolution of a monitor
What is use of speakers?
Answers
1: pc is personal computer
2:. It is the external unit used to take the data from the user. It receives the signal
from the control unit to get the data. The commonly used input device is keyboard.
3:answer in photo
4:A memory is just like a human brain. It is used to store data and instructions. Computer memory is the storage space in the computer, where data is to be processed and instructions required for processing are stored. The memory is divided into large number of small parts called cells
5:Ram
Random Access Memory (RAM) is used to store the programs and data being used by the CPU in real-time. The data on the random access memory can be read, written, and erased any number of times. RAM is a hardware element where the data being currently used is stored. It is a volatile memory.
rom
Read Only Memory (ROM) is a type of memory where the data has been prerecorded. Data stored in ROM is retained even after the computer is turned off ie, non-volatil
6:: Classification of Memory
In computers, memory is the most essential component of the normal functioning of any system. The computer system categorizes the memory for different purposes and uses. In this section, we have discussed the classification of memory in detail. Also, we will discuss types of memory, features of memory, RAM, ROM, SRAM, DRAM, and its advantages and disadvantages.
7:A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory.[1] A cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations. Most CPUs have a hierarchy of multiple cache levels (L1, L2, often L3, and rarely even L4), with separate instruction-specific and data-specific caches at level 1.
8:Manually Operated User Selection Equipment
9: Magnetic ink character recognition code, known in short as MICR code, is a character recognition technology used mainly by the banking industry to streamline the processing and clearance of cheques and other documents. MICR encoding, called the MICR line, is at the bottom of cheques and other vouchers and typically includes the document-type indicator, bank code, bank account number, cheque number, cheque amount (usually added after a cheque is presented for payment), and a control indicator. The format for the bank code and bank account number is country-specific.
