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Q. Standards for scan codes ?
There are 3 standards for scan codes: Mode1 (83-key keyboard PC, PC-XT) and Mode2 (84-key AT keyboard) and Mode3 (101-key keyboard onwards). In Mode1 Make and Break codes are single bytes however different for same key. In Mode2 and Mode3 Make code is a single byte though Break code is two bytes (byte F0(Hex) + the make code).
BIOS - Basic Input Output System, Power On Self Test (POST) and Loading Bootloader from the Hard disk drive Boot Sector is being completed by BIOS. It started the system for
#what is nicol prism.its construction and working
Q. For function F(x,y,z) = ∑m(0,1,2,6,7) using TRUTH TABLE only. 1. Find SOP expression 2. Implement this simplified expression using two level AND-to-OR gate network 3. I
Define Programmed I/O. It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program
Q. Explain Status and Control Registers? For control of numerous operations several registers are used. These registers can't be used in data manipulation though content of som
Give the formula for the average access time experienced by the processor in a system with 2 levels of caches. Ans: Formula is for the average access time experienced by the pr
Macroscopic and Microscopic approaches - Thermodynamics: Thermodynamic studies are undertaken by following two different approaches. l. Macroscopic approach (Macro mean big)
What is text editor? It is used for entering and editing application programs. The user of this program interactively implements command that permit statements of a source prog
What are the requirements for a swapper to work? The swapper works on the highest scheduling priority. Firstly it will look for any sleeping method, if not found then it will
Bubbling the Pipeline: Bubbling the pipeline (also known as a pipeline break or pipeline stall) is a technique for preventing, structural, data and branch hazards from taking p
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