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Problem 1
a) Give three reasons why connecting peripherals directly to the system bus are not a good practice.
b) Name five categories in which the major functions on requirements for an I/O module fall.
c) Differentiate between RAID 0 and RAID 1.
d) Provide two advantages and one disadvantage of CD-ROM compared with traditional magnetic disks
Problem 2
a) An Operating System will be thought of as having two objectives or performing two functions. Name and provide a small description of these two functions.
b) Differentiate between "Setup Time" and "Scheduling".
c) Name five services typically given by an Operating System.
d) Briefly explain the following two hardware features:
(i) Privileged Instructions(ii) Memory Protection
Write the expression for Boolean function for F (A, B, C) = ∑m (1,4,5,6,7) in standard POS form. Ans: f (A,B,C )= ΣM (1,4,5,6,7) in standard POS
Q. Instruction per cycle in RISC? One instruction per cycle: A machine cycle is total time taken to fetch two operands from registers perform ALU operation on them and store re
Q. What is Unique port number? A port is an extra 16-bit number which uniquely identifies particular service on any given machine on Internet. Port numbers are 16 bit wide, con
Public Key Encryption A cryptographic system that uses two-keys-a public key known to everyone and a private or secret key known only to the recipient of the message. An si
Describe the types of flip-flops and latches. Flip-flops are of two types as illustrated below: a. Positive edge triggered b. negative edge triggered Latches are
Difference between Vertical and Horizontal Organization Vertical Organizations It is a usual approach which is typified by a functional approach to work in which departme
PS/2 connector (PS/2 keyboards): These were introduced with IBM's PS/2 computers and therefore are known as PS/2 connectors. They have 6-pins but actually their wiring is just
Poor Richard's cache as explained in Conference Topic 2. Suppose that a 7th word (gggg gggg) from main memory location 011110 is read and stored in cache. a) Determine the cach
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
What are the properties of E-cash? Properties: a. Monetary Value: It must be backed through either cash, bank –certified cashier’s cheque and authorized credit cards.
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