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Computer System Architecture
Quiz 2
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Q.1
Which of the following is not part of the CPU?
ALU
CU
MAR
ROM
Q.2
What architecture stores both program instructions and data in main memory
Processing Architecture
Harvard Architecture
PC Architecture
Von Neumann Architecture
Q.3
A time sharing system imply
. more than one processor in the system
. more than one program in memory
. more than one memory in the system
. none of above
Q.4
The branch logic that provides decision making capabilities in the control unit is known as
. controlled transfer
. conditional transfer
. unconditional transfer
. none of above
Q.5
A stack is
. an 8-bit register in the microprocessor
. a 16-bit register in the microprocessor
. a set of memory locations in r/wm reserved for storing information temporarily during the execution of computer
. a 16-bit memory address stored in the program counter
Q.6
A complete microcomputer system consists of
. microprocessor
. memory
. peripheral equipment
. all of above
Q.7
The next instruction is located?
. memory address register
. memory data register
. instruction register
. program register
Q.8
Where does a computer add and compare data?
. hard disk
. floppy disk
. cpu chip
. memory chip
Q.9
Rotational latency, and transfer time. Rotational latency refers to ______.
. the time its takes for the platter to make a full rotation
. the time it takes for the read-write head to move into position over the appropriate track
. the time it takes for the platter to rotate the correct sector under the head
. none of the above
Q.10
(2FAOC)is equivalent to _____.
. (195 084)10
. (001011111010 0000 1100)2
. both and (b)
. none of these
Q.11
_________ register keeps track of the instructions stored in program stored in memory.
. ar (address register)
. xr (index register)
. pc (program counter)
. ac (accumulator)
Q.12
If memory access takesns with cache andns without it, then the ratio (cache uses ans memory) is _____.
. 93%
. 90%
. 88%
. 87%
Q.13
. In a memory-mapped I/O system, which of the following will not be there?
. lda
. in
. add
. out
Q.14
In signed-magnitude binary division, if the dividend is (11100)2 and divisor is (10011)2 then the result is ______.
. (00100)2
. (10100)2
. (11001)2
. (01100)2
Q.15
Logic X-OR operation of (4ACO)H& (B53F)H results _____.
. aacb
. 0000
. ffff
. abcd
Q.16
A page fault
occurs when there is an error in a specific pag
occurs when a program accesses a page of main memory.
occurs when a program accesses a page not currently in main memory.
occurs when a program accesses a page belonging to another program.
Q.17
The effective address in the relative address mode, when an instruction is read from the memory is
849.
850.
801.
802.
Q.18
A stack organized computer has
three-address instruction.
two-address instruction.
one-address instruction.
zero-address instruction.
Q.19
In which addressing mode the operand is given explicitly in the instruction
absolut
immediate .
indirect.
direct.
Q.20
A combinational logic circuit which sends data coming from a single source to two or more separate destinations is
decoder.
encoder.
multiplexer.
demultiplexer.
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