Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

Computer Science :: All Aptitude Test ::

Home » Engineering » Computer Science » Aptitude Test - 24
1. From where the processor can access data fastly?
A. Random-access memory
B. Cache memory
C. Registers
D. Random-access memory
2.Which type of ROM contains no Initial storage at the time of manufacturing?
A. PROM
B. EROM
C. DROM
D. PROM
3. Which one is not known as type of computer memory?
A. DRAM
B. SRAM
C. FRAM
D. DRAM
4..How many bits contains by Cells of computer memory?
A. 16 Bits
B. 32 bits
C. 4 Bits
D. 16 Bits
5.Which memory is necessary to refresh many times in one second?
A. Dynamic RAM
B. Static RAM
C. EPROM
D. Dynamic RAM
6.RAM of a computer is
A. External Memory
B. Internal Memory
C. Auxiliary
D. External Memory
7.Flash memory is Also Known as……………
A. Flash RAM
B. Flash ROM
C. Flash DROM
D. Flash RAM
8.Primary memory is used for storing…………….
A. Data only
B. Calculations only
C. Programs only
D. Data only
9.The size of primary memory of computer in between
A. 2KB & 8KB
B. 8KB & 64KB
C. 64KB & 256KB
D. 2KB & 8KB
10.Memory is a part of
A. Input device
B. Output device
C. Central processing Unit
D. Input device
11.Whic one is ROM storage device?
A. Floppy disk
B. USB Device
C. Hard Disk
D. Floppy disk
12. In how many categories memory/storage is classified?
A. 2
B. 3
C. 4
D. 2
13.When when power is switched off which memory loses its data?
A. Non-Volatile Memory
B. Volatile Memory
C. Both A and B
D. Non-Volatile Memory
14. Auxillary memory access time is generally ________ times that of the main
A. 10
B. 100
C. 1000
D. 10
15.Which of the following is correct example for Auxiliary Memory?
A. Magnetic disks
B. Tapes
C. Flash memory.
D. Magnetic disks
16. Which of the proposition is p^ (~ p v q) is
A. A tautulogy
B. A contradiction
C. Logically equivalent to p ^ q
D. A tautulogy
17. Which of the following is/are tautology?
A. a v b → b ^ c
B. a ^ b → b v c
C. a v b → (b → c)
D. a v b → b ^ c
18.Logical expression ( A^ B) → ( C' ^ A) → ( A ≡ 1) is
A. Contradiction
B. Valid
C. Well-formed formula
D. Contradiction
19.Identify the valid conclusion from the premises Pv Q, Q → R, P → M, ˥M
A. P ^ (R v R)
B. P ^ (P ^ R)
C. R ^ (P v Q)
D. P ^ (R v R)
20. Let a, b, c, d be propositions. Assume that the equivalence a ↔ (b v ˥b) and b ↔ c hold. Then truth value of the formula ( a ^ b) → ((a ^ c) v d) is always
A. True
B. False
C. Same as the truth value of a
D. True
21.Which of the following is a declarative statement?
A. It's right
B. He says
C. Two may not be an even integer
D. It's right
22. P → (Q → R) is equivalent to
A. (P ^ Q) → R
B. (P v Q) → R
C. (P v Q) → ˥R
D. (P ^ Q) → R
23. Which of the following are tautologies?
A. ((P v Q) ^ Q) ↔ Q
B. ((P v Q) ^ ˥P) → Q
C. ((P v Q) ^ P) → P
D. ((P v Q) ^ Q) ↔ Q
24. If F1, F2 and F3 are propositional formulae such that F1 ^ F2 → F3 and F1 ^ F2→F3 are both tautologies, then which of the following is TRUE?
A. If F1, F2 and F3 are propositional formulae such that F1 ^ F2 → F3 and F1 ^ F2→F3 are both tautologies, then which of the following is TRUE?
B. The conjuction F1 ^ F2 is not satisfiable
C. Neither is tautologies
D. If F1, F2 and F3 are propositional formulae such that F1 ^ F2 → F3 and F1 ^ F2→F3 are both tautologies, then which of the following is TRUE?
25.Consider two well-formed formulas in propositional logic F1 : P →˥P F2 : (P →˥P) v ( ˥P →) Which of the following statement is correct?
A. F1 is satisfiable, F2 is unsatisfiable
B. F1 is unsatisfiable, F2 is satisfiable
C. F1 is unsatisfiable, F2 is valid
D. F1 is satisfiable, F2 is unsatisfiable
26. What can we correctly say about proposition P1: P1 : (p v ˥q) ^ (q →r) v (r v p)
A. P1 is tautology
B. P1 is satisfiable
C. If p is true and q is false and r is false, the P1 is true
D. P1 is tautology
27.(P v Q) ^ (P → R )^ (Q →S) is equivalent to
A. S ^ R
B. S → R
C. S v R
D. S ^ R
28. The functionally complete set is
A. { ˥, ^, v }
B. {↓, ^ }
C. {↑}
D. { ˥, ^, v }
29. The functionally complete set is
A. { ˥, ^, v }
B. {↓, ^ }
C. {↑}
D. { ˥, ^, v }
30. (P v Q) ^ (P→R) ^ (Q → R) is equivalent to
A. p
B. Q
C. R
D. p
Related Subjects

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers    
Our Team | Career | Contact | JoinUs | Privacy Policy | DMC

© 2020-2024 by Pak-MCQs.net All Rights Reserved.

Email: [email protected]