1. The characteristics of dynamic memory compared to static memory are higher de
ID: 1809471 • Letter: 1
Question
higher density, lower cost.
lower density, higher cost.
lower density, lower cost.
2.(TCO 1) Flash memory is(Points : 8) semiconductor.
a type of ROM.
non-volatile.
All of the above
None of the above
3.With a 20-bit address bus, we get _____ bytes of memory space. 1M
256K
64K
20M
4.The four blocks in the diagram of a generalcomputersystem are registers, ALU, control unit, and busses.
registers, cache, main, and secondary.
input, output, memory, and CPU.
All of the above
None of the above
5.What direction does data flow on a WRITE bus cycle? From the CPU to memory or I/O port
From memory or an I/O port into the CPU
From the bus into the CPU
All of the above
None of the above
6.Which one defines the amount of memory space that a CPU can support? Data bus size
Address bus size
Control bus size
Both A and C
7.To use JSR (or CALL) instruction, we must initialize _____ register. X
Y
PC
SP
8.Find the carry flag value after execution of the following lines.
LDAA #$8F
ADDA #$9C(Points : 8) C=1
C=0
Unknown
None of the above
9.Which of the following is wrong? LDAA #$55
LDAA #$255
LDAA #$20
LDAA #$00
10.Which of the following is wrong? LDAB #265
LDAB #55
LDAB #200
LDAB #00
Explanation / Answer
higher density, lower cost. All of the above input, output, memory, and CPU. From the CPU to memory or I/O port Both A and C Y C=0 LDAA #$20 LDAB #200
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